Engineering Jobs in Deptford New Jersey

Company Description

Uncommon Schools is a nonprofit network of high-performing public charter schools dedicated to providing an exceptional K-12 education in economically disadvantaged communities. Operating in Boston, Camden, New York City, Newark, and Rochester, we are committed to closing the college completion gap and preparing every student for college and beyond. Our students consistently exceed national benchmarks, reflecting our dedication to their success. We invest deeply in our educators, offering weekly coaching, feedback, and professional development to ensure excellence in teaching and leadership. Join us to work hard, do good, and make a lasting difference!

Job Description

Uncommon High School Math teachers work in grade teams and content teams to push students towards being self-guided learners. Our teachers become experts in their course content, and have a keen sense of how to motivate and inspire high school students. At the heart of all math classes is a deep joy for mathematics. Math teachers use a variety of instructional strategies to cultivate student awareness of how to make sense of, persevere through, and solve problems. At the conclusion of high school, students are prepared for academic autonomy and college preparatory work.

Responsibilities

1.     Instruction

• You'll use a Math curriculum to teach content that may include Algebra, Geometry, or Calculus and prepares students for Advanced Placement (AP) and collegiate level coursework.
• You'll support students as they solve problems and think critically.
• You'll use your love of mathematics to foster confidence and meaningful engagement with the subject for students.
• You'll cultivate the ability to construct and justify viable arguments using reasoning, math vocabulary, tools, and postulates. 
• You'll use your passion for mathematics to build a community of self-guided learners where students feel safe, confident, and engaged.
• You'll work with the Math department to determine academic and engagement goals for students.

2.     Data Analysis

• You'll meet weekly with your principal and/or instructional coach to analyze and respond to trends in student work samples and assessments.
• You'll learn and implement strategies to differentiate instruction for all learners in your classroom.

3.     School Culture

• You’ll build positive relationships with students to ensure they feel seen, loved, and heard.
• You’ll partner with students’ families to ensure appropriate resources are available to support their child's learning needs.
• You'll engage in practice-based professional development, mentorship, and coaching sessions.
• You'll participate in weekly, school-wide meetings to cultivate community, model our core values, and encourage student achievement.
• You'll partner with your grade level team to develop academic goals and practice instructional strategies.

Qualifications

• A demonstrated commitment to supporting students’ social emotional and academic development
• An enthusiasm for collaborating with internal and external partners in the best interest of students
• A self-directed learner who solicits and implements feedback to improve outcomes and achieve objectives
• Required Experience:
  • Academic expertise in Mathematics, Science, Technology, Engineering, or other related fields. 
  • A demonstrated interest in impacting K-12 students in urban schools and communities (1-2 years experience preferred).
  • Prior to the start of employment, you must have a bachelor's degree from an accredited college or university. Teacher certification is not a prerequisite for consideration at Uncommon Schools in the state of NJ, but you do need to meet NJ state certification eligibility requirements (a final undergraduate or graduate cumulative GPA of 3.0 for graduates on or after 9/1/16, or 2.75 if you graduated prior to 9/1/16). All instructional staff are required to become certified in the state of New Jersey within a reasonable period after beginning employment.

Additional Information

Our people are what make us Uncommon. We offer competitive compensation and comprehensive benefits that support the personal health, wellness, and finances of our staff and their families. Our compensation philosophy values equity & fairness and attracting & retaining top talent.

Compensation

Compensation for this role is between $56,000 to $80,000.

Starting pay is determined using various factors including but not limited to relevant full-time teaching experience, education certifications, and tenure with Uncommon Schools. Candidates without full-time Teaching experience will likely have a starting salary of $56,000. 

Benefits

• Generous paid time off inclusive of sick time, paid holidays, and 10 weeks of paid breaks (Spring, Winter, and Summer). 
• Extensive, best-in-class training and development  
• Comprehensive health, dental, and vision insurance plans + pre-tax flexible spending (FSA), dependent care (DCFSA), and health saving accounts (HSA)
• Financial Planning
  • New Jersey Pension program
• Paid leave of absence options (parental, medical, disability, etc.)
• Mental health and counseling support + wellness benefits

*A detailed list of all benefits is located HERE.

At Uncommon, we believe that a supportive and welcoming environment helps our students, staff, and community thrive. We are dedicated to building a team that brings a wide range of perspectives and experiences, reflective of the communities we serve---with over 70% of our staff identifying as people of color. Our organization values respect and open dialogue on important topics that shape our school culture.

As an equal opportunity employer, Uncommon provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. We also ensure that individuals with disabilities receive all privileges and benefits associated with employment and are provided reasonable accommodations for the interview process and to perform core job functions. If you would like to request an accommodation, please email

 

Position Summary

The Electrical Engineer II plays a lead role in the design and execution of building electrical systems across multiple client projects. This position works closely with the Project Engineer, PMs, and design team to ensure projects are delivered on time, within budget, and in compliance with all applicable codes and standards.

For licensed Professional Engineers, this role may include serving as Engineer of Record and signing/sealing drawings as required. This position offers a strong growth path into Project Management.

Key Responsibilities

Lead electrical system design in coordination with the Project Engineer

Perform engineering calculations, short circuit analysis, and electrical load studies

Develop single-line diagrams and size electrical components and equipment

Prepare technical specifications and construction documents

Review and ensure drawings comply with federal, state, local, NEC, and IBC codes

Conduct site surveys, energy audits, and provide field construction support

Review shop drawings for compliance with project specifications and design intent

Maintain project schedules and ensure alignment with client requirements and budget

Collaborate with PMs and Project Engineers on proposal development and client communication

Provide guidance and mentorship to Engineers in Training and junior staff

Support training and development initiatives within the team

Required Qualifications

BS in Electrical Engineering

7–10 years of progressive experience in electrical engineering and building systems design

Strong knowledge of National Electrical Code (NEC), IBC, and applicable NFPA standards

Experience performing lighting and electrical load analysis

Proficiency in AutoCAD

Experience using project-based design software

Strong time management and ability to manage multiple deadlines

Excellent written and verbal communication skills

Preferred Qualifications

Professional Engineer (PE) license (or actively pursuing licensure)

Experience serving as Engineer of Record

Revit and BIM experience

Knowledge of lighting analysis software

Familiarity with USGBC LEED rating system

Position Overview

We are seeking an experienced, fully-remote, Estimator with a strong background in multifamily wood-frame construction to support a growing pipeline of projects across southern New Jersey and the greater Philadelphia area. This individual will play a key role in preconstruction, working closely with internal teams and subcontractors to develop accurate, competitive project estimates.

This is a 5-day a week remote role with travel to South Jersey at least once a month.

The ideal candidate will bring not only technical estimating expertise, but also established relationships with subcontractors and vendors in the Southern New Jersey market.

Key Responsibilities

• Prepare detailed cost estimates for multifamily construction projects
• Perform quantity takeoffs and pricing for labor, materials, and equipment
• Solicit, evaluate, and level subcontractor bids
• Leverage existing subcontractor relationships to ensure competitive and accurate pricing
• Collaborate with project management and leadership during preconstruction phases
• Analyze drawings, specifications, and other documentation to prepare time, cost, materials, and labor estimates
• Identify cost-saving opportunities and value engineering options
• Maintain and update cost databases and historical pricing
• Participate in bid reviews, scope alignment, and project handoffs

Qualifications

• 3+ years of estimating or preconstruction experience in multifamily construction
• Strong experience with wood-frame / stick-built construction (Type III / Type V)
• Ability to read and interpret construction drawings and specifications
• Strong analytical, organizational, and communication skills
• Experience working in a remote environment is a plus

Compensation & Benefits

• Base Salary: $80,000
• Remote work environment, with travel potentially once a month.
• Stable pipeline of multifamily projects

We are seeking an experienced Flutter Mobile Engineer who is passionate about building high-quality, intuitive user experiences. This role sits at the intersection of design and engineering, working closely with UX/UI designers to transform product concepts into interactive mobile prototypes.

You will play a key role in building cross-platform mobile applications using Flutter, bringing design ideas to life and helping validate user experiences before they move into production development.

Responsibilities

• Develop high-fidelity mobile prototypes using Flutter for cross-platform applications.
• Translate design specifications from Figma into functional and visually polished mobile interfaces.
• Collaborate closely with UX/UI designers, product teams, and engineers to refine and iterate on product experiences.
• Implement animations, transitions, and interactive UI elements that enhance usability and engagement.
• Build prototype applications that support design validation, user research, and executive demonstrations.
• Participate in Agile development workflows, including daily stand-ups, sprint planning, and code reviews.
• Deliver clean, maintainable code and contribute to team collaboration through pull requests and feature builds.

Required Qualifications

• 5+ years of experience in mobile or cross-platform application development.
• 3+ years of hands-on Flutter development experience.
• Strong proficiency with Dart and Flutter UI development.
• Experience working with Android Studio and Xcode.
• Proven experience collaborating with UX/UI designers and implementing designs from Figma, Sketch, or similar design tools.
• Strong attention to detail with a passion for high-quality user interface development.
• Experience implementing animations, transitions, and interactive UI behaviors.
• Excellent communication skills and the ability to present technical work to cross-functional teams.
• Self-starter with strong organizational skills and the ability to work both independently and collaboratively.

**Application Instructions**

Please include links to your portfolio, GitHub, or mobile applications that demonstrate your work—especially examples that showcase UI interactions, animations, or Flutter-based projects.

Biomedical Equipment Engineering Manager

Philadelphia, PA (Onsite)

Salary: $145,000 + Full Benefits

Full-Time | Leadership Role

We are seeking a Biomedical Equipment Engineering Manager to lead the maintenance, troubleshooting, and operational reliability of medical equipment across a hospital environment in Philadelphia, PA. This is an onsite leadership role responsible for overseeing biomedical engineering operations, ensuring critical medical devices remain safe, compliant, and fully operational to support patient care.

This position will supervise biomedical equipment technicians and engineers while collaborating closely with clinical staff, hospital leadership, and vendors to maintain high standards for equipment performance, safety, and regulatory compliance.

The ideal candidate will bring a strong background in hospital-based biomedical equipment maintenance, medical device troubleshooting, and team leadership within a clinical environment.

Key Responsibilities

• Lead and manage a team of Biomedical Equipment Technicians (BMETs) and Biomedical Engineers responsible for hospital equipment maintenance and support

• Oversee preventive maintenance, repair, and calibration programs for a wide range of medical devices and clinical equipment

• Troubleshoot complex issues involving diagnostic, therapeutic, and patient monitoring equipment

• Ensure all equipment maintenance activities meet hospital regulatory requirements and accreditation standards including Joint Commission and FDA guidelines

• Develop and manage equipment lifecycle planning, including replacement strategy and capital equipment upgrades

• Coordinate with clinical departments to ensure equipment availability and minimize disruption to patient care

• Manage relationships with OEM vendors and third-party service providers for specialized repairs and service contracts

• Implement reliability improvements and maintenance best practices to increase equipment uptime and operational efficiency

• Maintain accurate records and documentation within CMMS / biomedical asset management systems

• Support new medical equipment installations, system integrations, and facility expansion initiatives

• Ensure compliance with hospital safety standards and biomedical engineering best practices

Required Qualifications

• Bachelor's degree in Biomedical Engineering, Electrical Engineering, or related field

• 5+ years of biomedical equipment experience within a hospital or healthcare system

• 2+ years of leadership or supervisory experience managing biomedical technicians or engineers

• Strong expertise in medical device troubleshooting, maintenance, and preventive service programs

• Experience supporting equipment such as patient monitors, imaging systems, infusion pumps, anesthesia machines, ventilators, and diagnostic equipment

• Knowledge of Joint Commission standards, FDA regulations, and healthcare compliance requirements

• Experience using CMMS or biomedical equipment management systems

Preferred Experience

• Experience managing biomedical operations across multiple departments or hospital campuses

• Familiarity with network-connected medical devices and clinical technology systems

• Certification such as CBET (Certified Biomedical Equipment Technician) or related biomedical certification

Compensation & Benefits

• $135,000 base salary

• Comprehensive health, dental, and vision benefits

• 401(k) with company match

• Paid time off and holidays

• Opportunity to lead biomedical engineering operations in a mission-driven healthcare environment

Call Notes from Hiring manager

15+ years of experience

Routing — BGP, EIGRP — MUST HAVE

Firewall— new network, migration from Cisco ASA to Cisco Secure Firewall — Customers today migrate from Cisco ASA to:

Cisco Secure Firewall Threat Defense (FTD) — MUST HAVE

This is Cisco's official and recommended upgrade path, supported by automated migration tools.

CISCO certifications is a plus

Key Responsibilities

Design, develop, install, and maintain enterprise network infrastructure, including routers, switches, and related equipment

Implement and manage network security solutions, including firewalls, ACLs, and object groups

Monitor network performance and proactively troubleshoot outages or performance issues

Perform routine network maintenance, including firmware and software upgrades

Provide remote and on-site technical support to internal teams and business users

Test, deploy, and support new network hardware, software, and applications

Develop detailed engineering design packages to integrate new technologies into existing environments

Collaborate with clients, vendors, and cross-functional technical teams to ensure network reliability and quality

Create strategic roadmaps for future hardware and software upgrades and enhancements

Participate in network audits, quality reviews, and standards compliance initiatives

Follow disciplined change management practices with awareness of downtime impact in industrial environments

Perform additional duties as required

Minimum Qualifications

Bachelor's degree in Computer Science, Information Technology, or equivalent IT/OT discipline from an accredited institution

15+ years of network engineering or related experience, preferably in an industrial or large-scale enterprise environment

Active Cisco CCNP certification preferred (or Siemens CPIN-level equivalent)

Proven ability to work independently with minimal supervision

Strong analytical, problem-solving, and troubleshooting skills

Excellent verbal and written communication skills

Ability to manage multiple tasks with strong attention to detail

Demonstrated ability to learn and adopt new technologies quickly

Job Title: Post-Doctoral Scientist, Nucleic Acid Chemistry

Location: Philadelphia

Reports To: Director, Nucleic Acid Chemistry

Type: Full-Time

Company Overview:

Based in Philadelphia, Aro Biotherapeutics is a clinical stage biotechnology company dedicated to advancing transformative therapies in Inflammation and Immunological Disorders (I&I). Leveraging cutting-edge RNA technologies including siRNA, we are building a pipeline of innovative treatments designed to address unmet patient needs in I&I, while advancing products in other therapeutic areas in collaboration with partners.

Position Summary:

Aro is expanding our Nucleic Acids Chemistry team to design and synthesize novel Centyrin-oligonucleotide conjugate based therapeutics. The focus of this role would be on improving potency, reducing OTEs and creating new IP for Aro's siRNA design. The ideal candidate will have a good understanding of how to generate novel and testable oligonucleotide designs to contribute to oligonucleotide-based therapeutic discovery. The position will require hands-on laboratory work. Close collaboration with other members of the Aro team across protein engineering, chemistry and biology is essential. In this role, you will have the opportunity to contribute directly to efforts that support the company's portfolio of preclinical therapeutic candidates.

Key Responsibilities:

• Perform oligonucleotide synthesis from low milligram to gram scale
• Develop and execute clear synthetic strategies towards chemically modified oligonucleotides using state-of-the-art synthetic methodologies
• Optimize existing oligonucleotide synthetic protocols, purification, and analytical methods
• Troubleshoot oligo synthesis issues, maintain lab equipment (Mermade, LCMS, HPLC etc.) and conduct safe lab operations
• HPLC purification and LCMS analysis of synthesized siRNAs and other oligonucleotides
• Maintain up to date, high quality electronic lab notebooks, and quality CoAs
• Regularly present work to internal project teams and R&D Leadership
• Comply with laboratory safety procedures and company guidelines

Qualifications:

• PhD in Chemistry required
• Perform oligonucleotide synthesis from low milligram to gram scale
• Develop and execute clear synthetic strategies towards chemically modified oligonucleotides using state-of-the-art synthetic methodologies
• Optimize existing oligonucleotide synthetic protocols, purification, and analytical methods
• Troubleshoot oligo synthesis issues, maintain lab equipment (Mermade, LCMS, HPLC etc.) and conduct safe lab operations
• HPLC purification and LCMS analysis of synthesized siRNAs and other oligonucleotides
• Maintain up to date, high quality electronic lab notebooks, and quality CoAs
• Regularly present work to internal project teams and R&D Leadership
• Comply with laboratory safety procedures and company guidelines

Equal Opportunity Employer Disclaimer:

Aro Biotherapeutics is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment decisions are based on qualifications, merit, and business needs. We do not discriminate on the basis of race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or any other characteristic protected under applicable law.

Employment at Will Disclaimer:

Nothing in this job description is intended to create an employment contract. Employment with Aro Biotherapeutics is at-will and may be terminated by either the employee or the company at any time, with or without cause or notice.

Job Title: Construction Project Manager II

• US CITIZENS ONLY****

Location: Cherry Hill, NJ (Primarily in-office; some flexibility to work from regional offices, with weekly team meetings in Cherry Hill)

Position Overview

The Construction Project Manager II supports the delivery of large-scale infrastructure and construction projects by coordinating cross-functional teams, tracking project milestones, and maintaining project reporting and documentation. This role acts as the central point of coordination between pre-construction, permitting, engineering, and field construction teams to ensure projects are delivered on schedule, within scope, and aligned with organizational objectives.

The ideal candidate is highly organized, detail-oriented, and capable of managing multiple complex projects simultaneously while maintaining strong communication with internal teams, external partners, and vendors.

Key Responsibilities

• Manage multiple concurrent infrastructure or construction projects from planning through completion, ensuring milestones, budgets, and timelines are met.
• Assist design and engineering teams with project tracking, reporting, and performance metrics to monitor production and milestone status.
• Develop and maintain detailed project plans, action item trackers, and milestone schedules for all assigned projects.
• Coordinate activities across cross-functional teams including engineering, permitting, construction, and external partners.
• Host regular project status meetings to review progress, risks, and deliverables for active construction projects.
• Maintain communication with vendors and service providers to coordinate resources, materials, and project support.
• Track project data and maintain accuracy across internal systems and reporting tools.
• Perform data analysis and reporting to provide insights and updates to stakeholders.
• Use structured project management processes to manage risks, budgets, scope changes, and resource allocation.
• Maintain program trackers and project management systems used to monitor large construction programs.
• Conduct site visits and walkouts when required to coordinate with partners, municipalities, and field teams.
• Support collaboration between planning, design, and construction teams to ensure project readiness and successful execution.

Required Qualifications

• Previous experience managing or supporting construction or infrastructure projects.
• Strong project management and organizational skills with the ability to manage multiple large projects simultaneously.
• Experience tracking project milestones and reporting progress to stakeholders.
• Excellent written and verbal communication skills.
• Strong attention to detail and ability to maintain accurate documentation.
• Ability to work cross-functionally with engineering, construction, and operational teams.
• Ability to analyze project data and generate reports.

Preferred Qualifications

• Experience with fiber, coax, telecommunications, or infrastructure construction projects.
• Experience managing complex or multi-million-dollar projects.
• Familiarity with project tracking systems or construction management tools.
• Experience performing data analysis and reporting.
• Experience supporting engineering or headend infrastructure projects.

Work Environment

• Primarily office-based with regular coordination meetings.
• Ability to manage multiple large programs simultaneously, some consisting of hundreds of individual jobs or work orders.
• Occasional site visits or walkouts may be required.

Hi Rameez here from Beaconfire. I hope you're doing well! We're currently hiring for an exciting MERN/MEAN Developer role, and I wanted to reach out to see if you or someone in your network might be interested. This is a fantastic opportunity to work on high-impact projects using modern technologies in a collaborative and growth-oriented environment.

About the Company

BeaconFire is based in Central NJ, specializing in Software Development, Web Development, and Business Intelligence; looking for candidates with a strong background in Software Engineering or Computer Science for a Python/Node Developer position.

About the Role

The role involves developing websites and writing scalable, secure, maintainable code while collaborating with team members to achieve project goals.

Responsibilities

• Develop websites using HTML, CSS, Node.js, React.js, and Angular2+, among other tools;
• Write scalable, secure, maintainable code that powers our clients' platforms;
• Create, deploy, and maintain automated system tests;
• Work with Testers to understand defects opened and resolves them in a timely manner;
• Supports continuous improvement by investigating alternatives and technologies and presenting these for architectural review;
• Collaborate effectively with other team members to accomplish shared user story and sprint goals;
• Invest time in constant professional development to stay up to date with new technological development and programming languages;
• Discover and fix programming bugs;
• Other duties as assigned.

Qualifications

• Proficient understanding of HTML and CSS;
• Experience in programming language JavaScript or similar (e.g. Java, Python, C, C++, C#, etc.) and understanding of the software development life cycle;
• Basic knowledge of code versioning (e.g. Git, SVN);
• A passion for coding pixel perfect web pages;
• Good verbal communication and interpersonal skills.

Required Skills

• Proficient understanding of HTML and CSS;
• Experience in programming language JavaScript or similar (e.g. Java, Python, C, C++, C#, etc.) and understanding of the software development life cycle;
• A passion for coding pixel perfect web pages;
• Good verbal communication and interpersonal skills.

Preferred Skills

• Bachelor's degree or higher in Computer Science or related fields;
• 0-1 year of practical experience in JavaScript coding;
• Familiarity with at least one JavaScript framework (Angular2+, React.js, Express.js);
• Experience with unit and integration testing of code, with an understanding of JavaScript testing frameworks like Jasmine, Cucumber, Mocha, and Karma;
• Experience providing REST/SOAP APIs for user interface consumption;
• Experience working within an Agile development methodology Scrum.

BeaconFire is an E-verified company and provides equal employment opportunities (visa sponsorship provided).

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This opportunity is with a large telecommunications and infrastructure provider supporting major broadband network expansion projects. The role focuses on managing construction-related initiatives that support fiber and coax network builds. As a Construction Project Manager, you will coordinate across planning, permitting, engineering, and field construction teams to ensure projects move from design to activation efficiently.

This role is ideal for a highly organized Project Manager who thrives in complex environments with many moving parts. You will act as the operational "glue" between departments—connecting pre-construction planning, permitting, and field construction teams while managing multiple large-scale projects simultaneously. If you enjoy driving accountability, managing risk, and keeping large infrastructure projects on track, this role offers the opportunity to work on high-impact broadband expansion initiatives while gaining deeper exposure to telecom construction and headend engineering operations.

Required Skills & Experience

• Strong project management experience overseeing large or complex projects
• Ability to manage multiple projects simultaneously (typically 6–8 large programs)
• Experience tracking milestones, timelines, and project deliverables
• Strong reporting and documentation skills
• Advanced organization and time management skills
• Strong verbal and written communication abilities
• Experience facilitating cross-functional project meetings and stakeholder updates
• Ability to manage project risk, resources, and schedule changes
• Proficiency with spreadsheets and reporting tools (including VLOOKUP and data comparison tools)
• Ability to manage large volumes of project tasks and data

Desired Skills & Experience

• Construction project management experience (fiber, telecom, or coax infrastructure preferred)
• Experience coordinating construction, permitting, and engineering teams
• Financial tracking or budget management experience
• Experience with project tracking platforms
• Data analytics or reporting experience
• Experience managing multi-million-dollar projects
• Exposure to telecom headend or network engineering environments

What You Will Be Doing

Tech Breakdown

• 50% Project Management & Coordination
• 30% Reporting, Data Tracking & Program Oversight
• 20% Cross-Functional Communication & Vendor Coordination

Daily Responsibilities

• 40% Project Management and milestone tracking across multiple programs
• 30% Reporting, project tracking, and maintaining data integrity across databases
• 20% Stakeholder coordination with planning, permitting, engineering, and construction teams
• 10% Site walkouts, vendor coordination, and field collaboration

Key Responsibilities

• Support OSP design and engineering teams by tracking production, milestones, and project status
• Manage 6–8 large infrastructure projects simultaneously from planning through activation
• Maintain detailed project plans, milestone schedules, and action item registers
• Facilitate weekly cross-functional project meetings for construction progress and activations
• Coordinate activities between planning, permitting, construction, and engineering teams
• Track project budgets, risks, and schedule changes using formal project management processes
• Maintain data integrity across multiple databases and reporting systems
• Perform data mining and generate visual reports for leadership and stakeholders
• Manage vendor coordination and ensure support resources are aligned with project timelines
• Conduct site walkouts with contractors, business partners, and municipal stakeholders
• Continuously learn internal systems, reporting tools, and project workflows while recommending improvements