Arch Linux Jobs in Usa

Work type: FTE

Contract B2B

Language: English

Contract Duration: 6 to 12 months

Job Summary

We are seeking a knowledgeable Mac Specialist with strong experience in macOS to support, configure, and maintain Apple devices within the organization. The candidate will provide technical assistance, troubleshoot issues, and ensure smooth operation of Apple systems.

Key Responsibilities

Install, configure, and maintain macOS on Apple devices such as MacBook Pro, MacBook Air, and iMac.

Troubleshoot hardware and software issues related to macOS systems.

Manage user accounts, system permissions, and device configurations.

Install and update applications on Mac systems.

Provide technical support to employees using Apple devices.

Manage system updates, backups, and security settings.

Assist with device deployment and configuration.

Support integration with enterprise tools like Microsoft Office and Google Workspace.

Required Skills

Strong knowledge of macOS administration and troubleshooting.

Experience working with Apple hardware and software.

Basic knowledge of Unix / Linux commands.

Understanding of networking concepts (Wi-Fi, VPN, printers).

Good problem-solving and communication skills.

Preferred Skills

Experience with device management tools like Jamf Pro.

Knowledge of scripting (Bash or Python).

Experience supporting Mac users in enterprise environments.

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****Candidate MUST HAVE an Active Top Secret with eligibility for SCI to apply for this role

Title: Senior Linux Systems Engineer

Terms of Employment

• Full-Time, Permanent
• This position is onsite four days per week in Ft. Washington, MD. Once every two-to-three weeks, there is one day of work onsite in Warrenton, VA. The ability to work remotely once per week is acceptable.

Overview & Responsibilities

• As a Senior Linux Systems Engineer, you will serve as the technical authority for a Red Hat Enterprise Linux (RHEL) environment supporting the Cameo (Dassault Systmes/No Magic) suite. This role requires more than standard administration; we are looking for a specialist with CLI-level mastery capable of deep-tier kernel tuning and performance optimization. You will ensure the integrity of server resources, manage a complex Virtual Desktop Infrastructure (VDI), and provide high-level technical support to a large community of system engineers and partners.

You will be responsible for

• Advanced Systems Engineering & Kernel Optimization
• Perform kernel-level tuning (sysctl), I/O scheduling, and memory management to optimize RHEL for high-demand MBSE workloads.
• Execute all administrative tasks, file management, and system troubleshooting via the command-line interface (CLI) in a headless or cloud environment.
• Proactively monitor system health and performance to ensure 99.9% availability of mission-critical server resources and hardware.
• Cameo & VDI Administration
• Act as the primary administrator for Cameo Systems Modeler and Teamwork Cloud, managing user groups, permissions, and server-side configurations.
• Configure and troubleshoot user profiles in a virtual desktop environment using XRDP.
• Create, maintain, and deploy virtual desktop images, ensuring optimized disk storage and session management for multiple concurrent users.
• Security, Automation & Compliance
• Work closely with ISSO/ISSE teams to ensure systems meet ATO/accreditation standards through aggressive scanning, patching, and STIG compliance.
• Utilize Ansible, Puppet, or scripting (Bash/Python) to automate routine maintenance and configuration management.
• Author and maintain technical standards, Standard Operating Procedures (SOPs), and \"RunBooks\" to ensure continuity of operations.
• Agile Integration & Collaboration
• Maintain a detailed work backlog in JIRA, participating in Agile ceremonies and communicating technical status to PMs and Government leads.
• Explain complex technical considerations to external partners and provide high-tier technical support to the user community.

Required Skills & Experience

• Active Top Secret clearance with SCI eligibility.
• IAT Level II compliant (e.g., Security+, CySA+, GSEC, SSCP, CCNA Security, CND, GICSP).
• Expert-level knowledge of Red Hat Enterprise Linux (RHEL).
• Expert-level proficiency in the Linux Command Line Interface (CLI). Must be able to manage the full OS lifecycle without a Graphical User Interface (GUI).
• Demonstrated experience in Linux kernel tuning and performance optimization for enterprise-scale applications.
• Proven experience with XRDP, VDI session management, and image deployment.
• Proficiency in Cameo / No Magic software.
• Experience using JIRA.
• Proficiency in Bash or Python scripting and Ansible configuration management.
• Solid understanding of TCP/IP, SSH, and secure networking protocols.

Preferred Skills & Experience

Active Top Secret/SCI clearance.

Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE).

Experience with cloud-based Linux deployments.

Background in Model-Based Systems Engineering (MBSE) workflows.

The Linux Systems & Automation Engineer is responsible for designing, deploying, automating, and operating enterprise Linux infrastructure and supporting applications running there. This role focuses on infrastructure-as-code, automation tooling, monitoring, and reliability engineering across on-prem and hybrid environments. The engineer will collaborate with network, platform, and application teams to deliver scalable, secure, and repeatable infrastructure.

Key Responsibilities

Linux Systems Engineering

• Design, deploy, and maintain Linux systems across bare metal and virtual environments.
• Develop and enforce OS baseline standards, hardening, and patching processes.
• Manage system lifecycle: provisioning, configuration, upgrades, and decommissioning.

Automation & Infrastructure as Code

• Build and maintain automation pipelines using Ansible, Terraform, cloud-init, or equivalent tools.
• Develop Ruby/Python/Bash tooling to automate operational workflows.
• Create standardized system images, templates, and deployment frameworks.

Monitoring, Observability, and Reliability

• Design and maintain monitoring and telemetry platforms and data pipelines. (Zabbix, Prometheus, Grafana, OpenSearch, etc.).
• Analyze metrics and logs to improve system reliability and performance.
• Participate in on-call and incident response.
• Conduct root cause analysis and drive corrective actions.

DevOps & Tooling

• Develop and Maintain Git-based workflows and CI/CD pipelines for infrastructure code.
• Develop internal tools to improve provisioning, validation, and operational efficiency.
• Collaborate in architecture reviews and technical design discussions.

Requirements:

• Bachelor’s degree in Computer Science, Engineering, Information Systems, or equivalent experience.
• 5+ years of experience administering Linux systems in enterprise environments.
• Strong Linux fundamentals (processes, networking, storage, security, kernel concepts).
• Proficiency in scripting/programming (Python, Bash, Ruby, etc.).
• Experience with Git and collaborative development workflows.
• Experience with automation/configuration management tools (Ansible, Terraform, Puppet, Chef, etc.).

Preferred Qualifications

• Experience with containers and orchestration (Docker, Kubernetes).
• Virtualization experience (VMware, KVM, OpenStack).
• Cloud platform experience (AWS, Azure, GCP) or hybrid architectures.
• Monitoring/observability tooling experience (Prometheus, Grafana, Zabbix, ELK/OpenSearch).
• Security experience (SSH hardening, PAM, SELinux, CIS benchmarks).
• Experience supporting telecom, financial, healthcare, or other regulated environments.

Job Requirements – Essential

• 7+ years of experience with Linux (Red Hat, SuSe, OEL) and Unix (Solaris and AIX)

• 7+ years of experience with systems administration upgrades, patching and configuration management, performance management, troubleshooting, analysis and capacity planning.

• 7+ years of experience with VERITAS products (VCS and Volume management) on Solaris

• Experience of working with EMC SRDF storage on Solaris and LINUX, with skill set to cover other storage technologies.

• Strong skills in TCP/IP Networking & advanced systems tuning, network topology and firewalled environments.

• Full understanding the principles of routing, client/server programming, the design of consistent network-wide file system layout, Ethernet, bonding, PCIe Technologies.

• Experience installing layered products in a timely fashion, analyzing & troubleshooting complex systems and familiarity with ITSM procedures.

• Strong problem solving skills with ability to work in a highly pressurized multitask environment

• Experience in Perl and Shell scripting writing scripts to automate various tasks.

Job Requirements – Highly desirable

• Operational experience of Oracle Exadata

• Operation experience of Oracle Exalogic

UNIX Systems Administrator Responsibilities:

• Provide dedicated support to all ‘Run the Bank’ and ‘Change the Bank’ activities.

• Advanced system tunings to application specific requirements. Systems standardization and automation.

• Keeping the UNIX environment compliant with the technology roadmap, such as OS & hardware upgrades, 3rd party software upgrades, etc...

• Rapid response to incidents.

• Working closely with UNIX engineering and third party vendors.

• Interface with IT and business clients at all levels of the organization

• Follow the sun model (including weekend support) Global Unix team provides round the clock coverage

• Some out of hours and weekend work will be required to comply with applicable change windows.

Disclaimer

HCL is an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law. Should any applicant have concerns about discrimination in the hiring process, they should provide a detailed report of those concerns to for investigation.

Compensation and Benefits

A candidate’s pay within the range will depend on their work location, skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year.

What You Will Do:

• Design, develop, implement, and test embedded software for Smart TV platforms
• Collaborate with engineers at the UI, Middleware, and Hardware/Device layer to integrate and optimize video control and processing features
• Ensure high quality and performance across various video stream types, input formats, and codecs
• Develop unit tests and participate in system-level integration testing in a BDD (Behavioral Driven Development) framework
• Train and mentor junior engineers

Qualifications:

• A Bachelor’s or Master’s degree in Electrical Engineering, Computer Science, or a related technical field
• 7+ years of experience in embedded software development
• Strong understanding of embedded system architecture and resource management
• Experience with real-time operating systems (RTOS) / Linux based embedded systems
• Experience with C/C++ (C++ 17 or later) programming for embedded systems
• Excellent analytical and problem-solving skills
• Ability to clearly document designs and communicate design methodology with other team members
• Ability to work effectively in a cross-functional team environment

Preferred Skills:

• Understanding of video and audio processing on embedded Smart TV systems.
• Experience with TV industry standards and protocols
• Experience with Hardware Abstraction Layer (HAL) implementations and porting to new hardware SoC platforms
• Experience with audio/video processing concepts and algorithms (Streaming, Audio/Video Compression/Codecs)
• Familiarity with BDD frameworks such as Cucumber or Behave.
• Knowledge of modern C++ based design patterns.
• Experience in developing Behavior-Driven Development (BDD) test cases for Linux-based systems in Python or other scripting languages.
• Proficiency in utilizing Google Test for C++ codebase testing.
• Experience with Agile, JIRA, Jenkins, and Version Control tools (git).

Role: Cyber Security Architect – Linux, Ansible & Terraform

Location: Silver Spring, MD , DC, Techwood, ATL – Onsite

Job Responsibilities / Typical Day in the Role

• Implement design reviews to evaluate security controls

• Identify and communicate opportunities to enhance the security posture of WBD

• Build and / or manage enterprise security platforms effectively

• Communicate effectively across all levels of management to articulate WBD security goals and vision.

• Identify and communicate opportunities to enhance the security posture of WBD

• Build and / or manage enterprise security platforms effectively (SAAS, on premise or in Cloud)

• Communicate effectively across all levels of management to articulate WBD security goals and vision.

• Have a team player mentality; strive to contribute to team cohesion however can work independently if the need arises

• Plan, design, engineer and implement security-related technologies

• Understanding technical security issues, their implications within WBD business units and able to effectively communicate them to management and other business leaders.

• Configure, troubleshoot, and maintain security infrastructure – including software and hardware in cloud environments, as well as on-premises.

• Conduct security audits and assessments to regularly determine the effectiveness of security platforms and identify areas of improvement.

• Host and operating systems hardening, auditing, monitoring and logging with appropriate security controls and best practices while meeting security best practices and business goals

• Research and explore emerging security technologies and determine their appropriate use within the company.

• Prepare, document, and create standard operating procedures and protocols.

• Crosstrain and mentor other team members as needed

Must Have Skills / Requirements

1) Implementing advanced cyber security technology in a complex environment

a. 5+ years of experience; Hands-on experience in security engineering, hands-on experience in building, designing, and maintaining enterprise security tools.

2) Scripting experience (using Python, Go, or other equivalent languages)

a. 5+ years of experience.

3) Hands-on Experience with automation technologies

a. 3+ Years of experience; Terraform, Ansible, CloudFormation, etc.

4) Linux Experience.

a. 5+ years of experience; Ability to construct and maintain complex network infrastructures.

Technology requirements:

• Engineer and administer security platforms including SIEM/SOAR systems, endpoint detection and response, vulnerability management, anomaly detection, and cloud analysis.

• Experience in managing the Brinqa vulnerability management platform and experience with Groovy programming language

• Must have 5+ years of scripting experience (using Python or other equivalent languages)

• Hands-on Experience in public cloud infrastructures like AWS (Amazon Web Services)

Nice to Have Skills / Preferred Requirements

1) Security and Cloud certifications are a plus. (CISSP, Splunk Admin, AWS Solution architect).

2) Media/entertainment or distributed global network experience.

Soft Skills

1) Hands-on technical experience with networking and computing system architectures, specifically, the security aspects thereof.

2) Thorough understanding of information security principles, techniques, principles, policy frameworks, and best practices

3) Hands-on technical experience with compliance and regulatory frameworks and how they affect architecture designs and review

Date Posted:

Country:

Location:

Position Role Type:

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Security Clearance Type:

Security Clearance Status:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.  We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat.  Our team solves tough, meaningful problems that create a safer, more secure world.

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.  We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat.  Our team solves tough, meaningful problems that create a safer, more secure world.

Raytheon Technologies (RTX) is seeking a Principal Platform Engineer with well-rounded Linux Infrastructure Engineering expertise to join an agile product team. The Ideal candidate will have experience in both traditional infrastructure design; provisioning of platform, storage, and networking resources for existing on-premises infrastructure that ideally also has experience in emerging DevOps/DevSecOps & Modernized technologies. The Principal Platform Engineer would be engaged in the design and implementation of the system updates and upgrades with Focus on the Linux Server / Linux OS expertise and will support Technical Exchange Meetings (TEMs) and provide project status as required.

The Principal Platform Engineer would be involved with development, implementation of traditional compute/network/storage systems and related deployments, as well as support improving the program platform’s over-arching design through new emerging technologies. This includes existing operating systems and existing server hardware designs, as well as supporting the design and development of new modernized system architectures through Automation tools.

Note This position will be filled onsite at an RTX Facility in Richardson TX.

What You Will Do

• You will leverage company and industry with the best practices and capabilities to develop and communicate implementation, of infrastructure solutions
• You will maintain existing systems through Linux Based Tools and manage the COTS stack on the system to support program needs
• You will Utilize various scripting and Automation tools to develop and maintain the program’s infrastructure
• You will ensure that the COTS stack and versioning is consistent across the platform; and will work with the team to make updates as necessary

Qualifications You Must Have

• Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and a minimum 8 years of related work experience
• Experience with Scripting skills: Bash, Python, Java, Perl, Ruby, Tcl/Tk
• Experience with markup languages: YML, XML, JSON
• Experience with MS Office suite: Word, Excel, PowerPoint, Visio
• Ability to obtain a TS/SCI issued security clearance is required after day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

• Familiar with container orchestration: Kubernetes, Docker, Podman, Helm, Rancher
• Familiar with Lightweight Directory Access Protocol (LDAP)
• Familiar with Information Technology Service Management tools: ServiceNow, Atlassian (Jira, Confluence)
• Familiar with Agile project management, Scrum methodology
• A Background in Systems Operations or Engineering; supporting large complex Information Technology environment
• Experience with automation tools: Ansible, Terraform, Jenkins, Bitbucket
• Hands on Experience with Linux Operating System
• Experience with software deployment and integration
• A Current Poly Is strongly desired for this role to get Privilege User access to systems

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role
• Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products

This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here:  : Richardson, TX

• We Are RTX

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Job Description

Position: Sr. Staff Base Software Engineer – OS & Middleware (Telematics ECU)

Location: Auburn Hills, MI

Position Summary

We are seeking a highly experienced Sr. Staff Base Software Engineer – OS & Middleware to lead the architecture, design, integration, and optimization of embedded Linux operating systems and middleware platforms for next-generation Telematics Control Units (TCU).

This role will drive secure, scalable, and high-performance base software solutions supporting 4G/5G connectivity, GNSS, eCall, OTA updates (FOTA/SOTA), V2X, remote diagnostics, and cloud-connected vehicle services. The ideal candidate will provide strong technical leadership and ensure cybersecurity, functional safety, and ASPICE compliance across telematics platforms.

Key Responsibilities

• Lead architecture and integration of embedded Linux OS and middleware for TCU platforms
• Define and implement secure boot, root-of-trust, secure key management, and OTA update mechanisms
• Architect and integrate 4G/5G modem, GNSS, and secure cloud communication stacks
• Integrate and optimize V2X communication stacks (C-V2X/DSRC)
• Drive BSP integration, kernel configuration, driver enablement, and SoC bring-up
• Design IPC frameworks, service orchestration, and system resource management
• Optimize system performance (boot time, CPU scheduling, memory footprint, storage I/O, network throughput)
• Establish performance profiling and instrumentation frameworks
• Ensure cybersecurity compliance with ISO/SAE standards and OEM specifications
• Enable vehicle network integration (CAN, Ethernet, LIN, UDS, DoIP)
• Implement CI/CD pipelines and secure software lifecycle practices
• Provide technical leadership, architecture reviews, and production sustainment support

Basic Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related field
• 10+ years of embedded software development experience
• Strong programming skills in C/C++
• Direct experience with Linux-based Telematics Control Units
• BSP development, kernel configuration, and SoC bring-up expertise
• Experience with 4G/5G modem platforms (Qualcomm or equivalent)
• Deep knowledge of Linux kernel, drivers, middleware, and networking stack
• Experience with TCP/IP, TLS, MQTT, HTTP/HTTPS
• Secure boot, root-of-trust, and OTA implementation experience
• Strong debugging skills (GDB, crash analysis, kernel logs, trace tools, packet analyzers)

Preferred Qualifications

• Master’s degree in relevant engineering field
• Knowledge of V2X stack integration, eCall, ERA-GLONASS compliance
• Experience with HSM, TPM, ARM TrustZone
• Containerization/virtualization in embedded Linux (Docker/OCI)
• Boot-time and power optimization experience
• Cloud integration experience (AWS IoT, Azure IoT, automotive backend services)
• Experience with ASIL-B/D systems
• Field issue triage and production sustainment support