Jobs in Mount Vernon Virginia

About Terra Site Constructors, LLC

Terra Site Constructors, LLC is a dynamic, SBA 8(a) certified general contractor focused on federal construction, design-build, and self-perform capabilities. We serve clients including NAVFAC, USACE, NPS, GSA, and other federal agencies, with a reputation built on integrity, technical excellence, and proven performance across the Mid-Atlantic and Southeast regions.

Job Overview

We are seeking an Estimator with 5–10+ years of experience in federal construction estimating to join our growing team. This role plays a critical part in preconstruction and proposal development, responsible for leading cost estimates, coordinating with subcontractors, and supporting proposal pricing for design-build, design-bid-build, and IDIQ contracts.

This is a strategic role supporting both business development and operations, reporting directly to the Vice President of Estimating and collaborating with Capture Managers, Executives, and field leadership. The ideal candidate is detail-oriented, deadline-driven, and comfortable working in a fast-paced, collaborative environment.

Key Responsibilities

• Prepare detailed cost estimates for federal construction projects using plans, specifications, and RFP documents.
• Develop quantity takeoffs, apply labor burden, general conditions, escalation, and bond rates.
• Solicit and evaluate subcontractor and vendor quotes; develop scopes of work.
• Participate in design reviews, site visits, and pre-bid walkthroughs.
• Draft pricing narratives, clarifications, and basis of estimate documentation.
• Support capture planning for 8(a) Sole Source, MACC/MATOC, JOC, and open competition projects.
• Ensure compliance with FAR/DFARS, Davis-Bacon, and agency-specific requirements.
• Collaborate with Business Development to establish pursuit strategies and pricing models.

Requirements

Minimum Qualifications:

• 5–10 years of federal construction estimating experience (vertical and/or horizontal projects).
• Strong understanding of FAR, DFARS, Davis-Bacon, and cost principles.
• Advanced skills in Bluebeam, Excel, and estimating tools such as RSMeans, Sage Estimating (Timberline), PlanSwift, or HeavyBid.
• Proficiency with platforms like Building Connected, Procore, and .
• Excellent writing and verbal communication skills.
• Ability to manage multiple concurrent estimates under tight deadlines.

Preferred:

• Experience with NAVFAC, USACE, GSA, or NPS projects.
• Experience with 8(a) Sole Source or federal IDIQ task orders.
• Degree in Construction Management, Civil Engineering, or related field (or equivalent field experience).
• Professional certifications (CPE, LEED AP, PMP) a plus.
• Stable employment history with a track record of leadership and reliability.

Why Join Terra?

• Competitive Salary + Performance Incentives
• Health, Dental, Vision, and Life Insurance
• 401(k) with Company Match
• Paid Time Off + Holidays
• Collaborative culture with opportunity for career growth and leadership
• Work with a mission-driven team on high-profile federal projects

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Your initial post of duty will be determined at the time of the final job offer and will be based on the operational needs of the U.S. Secret Service.

Recruitment Incentive: Applicants may be eligible for a $40,000 recruitment incentive in accordance with regulatory requirements. Click apply for complete details on the recruitment incentive details and eligibility.

At their core, those who join the Secret Service are courageous, intelligent, strong and determined. A diverse team capable of balancing our investigative mission and fulfilling our protective legacy. Proven to be worthy of trust and confidence. Be tomorrow's Secret Service.

During the course of their careers, special agents carry out assignments in both investigations and protection and may be assigned to multiple duty stations throughout the U.S. and abroad. Duties include:

• Providing protection for various protectees.
• Conducting criminal investigations pertaining to financial obligations of the United States.
• Planning and implementing security designs for National Special Security Events.

This is no ordinary job, and our special agents are no ordinary individuals. Show us you have the talent and background we need, and we'll show you the rewards that come with being a special agent in the U.S. Secret Service. We invite you to become part of our elite team. Explore a career that will take you to new heights while you serve your country with honor, distinction and pride.

Requirements

• U.S. citizenship is required
• Possess a current valid driver's license
• Carry and use a firearm. Maintaining firearm proficiency is mandatory.
• Must be at least 21 years old at the time of application and under 40 at referral. Exceptions may apply for those with current or prior service in federal law enforcement positions covered by special retirement provisions. The Secret Service has determined that age is essential to the performance of this position.
• You must obtain a Top Secret Clearance and retain it during your career.
• Possess uncorrected visual acuity of no worse than 20/100 binocular, possess corrected visual acuity of 20/20 or better in each eye.
• Hearing loss, as measured by an audiometer, must not exceed 25 decibels (A.S.A. or equivalent I.S.O.) in either ear in the 500,1000 and 2000Hz ranges.
• Submit to a drug test prior to your appointment and random drug testing while you occupy the position.
• Complete 13 weeks of intensive training at the Federal Law Enforcement Training Center(FLETC) in Glynco, GA and 18 weeks of specialized training at the James J. Rowley Training Center in Laurel, MD.
• Sign a mobility agreement stating your willingness to accept assignments anywhere within the United States and overseas.
• Certify that you have registered with the Selective Service System or are exempt from having to do so, if you are a male applicant born after December 31, 1959.

*Recruitment Incentive: Applicants may be eligible for a $75,000 recruitment incentive in accordance with regulatory requirements.

BE A PART OF THE HAZARDOUS AGENT MITIGATION & MEDICAL EMERGENCY RESPONSE TEAM

The mission of the Secret Service Special Operations Division's Hazardous Agent Mitigation & Medical Emergency Response (HAMMER) Team is to provide hazardous agent mitigation, emergency medical intervention, and extrication support to our protective details. In close coordination with other United States Secret Service (Secret Service) tactical elements, protective details, and medical units, HAMMER can respond into a hazardous, toxic, or lethal environment to locate, extract, decontaminate, and provide life-saving medical interventions for Secret Service protectees. HAMMER personnel utilize cutting-edge monitoring technology to survey the immediate vicinity around the protectee for chemical, biological, radiological, and nuclear (CBRN) threats.

Requirements:

• U.S. Citizenship.
• Possess a current valid driver's license. Must be REAL ID compliant.
• Use your official name on your application as it appears on your valid government identification (i.e., REAL ID Driver's License, State ID, Passport).
• Must be at least 21 years old at the time of application and under 40 at referral. Exceptions may apply for those with current or prior service in federal law enforcement positions covered by special retirement provisions. The Secret Service has determined that age is essential to the performance of this position.
• Submit to a drug test prior to your appointment and random drug testing while you occupy the position. Disclose any prior drug use, attempted use, and/or experimentation.
• Obtain a Top-Secret Clearance and retain it during your career.
• This position requires an automatic credit check after initial qualifications are met.
• Carry and use a firearm. Maintaining firearm proficiency is mandatory. You will be ineligible to occupy this position if at any time you have been convicted of a misdemeanor crime of domestic violence, unless you received a pardon, or your conviction was expunged or set aside.
• Complete 13 weeks of intensive training at the Federal Law Enforcement Training Center (FLETC) in Glynco, GA and 20 - 22 weeks of specialized training at the James J. Rowley Training Center in Laurel, MD. Failure to pass the training program may result in separation from the Secret Service. Click here to review standard.
• Sign a mobility agreement stating your willingness to accept assignments anywhere within the United States and overseas.
• Certify that you have registered with the Selective Service System or are exempt from having to do so, if you are a male applicant born after December 31, 1959.
• Possess uncorrected visual acuity of no worse than 20/100 binocular, possess corrected visual acuity of 20/20 or better in each eye.(Note: Lasik, ALK, RK, and PRK corrective eye surgeries are acceptable eye surgeries for special agent applicants. Applicants will be considered eligible for the special agent position provided specific visual tests are passed. The following are waiting periods for visual tests: Lasik-2 months after surgery, PRK-6 months after surgery, ALK and RK-one year after surgery).
• Hearing loss, as measured by an audiometer, must not exceed 25 decibels (A.S.A. or equivalent I.S.O.) in either ear in the 500,1000 and 2000Hz ranges.

*Recruitment Incentive: Applicants may be eligible for a $75,000 recruitment incentive in accordance with regulatory requirements.

BE A PART OF THE COUNTER ASSAULT TEAM

The Secret Service Special Operations Division's Counter Assault Team (CAT) creates a unique tactical career opportunity for special agents within the Office of Protective Operations. Special Agents within this tactical operations assignment possess operational skills that are relevant to the mission of the Special Operations Division. Special Agents assigned to CAT provide tactical support to Secret Service protective details to include high level protectees such as the President and Vice President of the United States of America. CAT members conduct comprehensive mission planning and extensive coordination with support entities to accomplish their mission. CAT personnel receive advance training in weapons handling, tactics, and decision making.

Requirements:

• U.S. Citizenship.
• Possess a current valid driver's license. Must be REAL ID compliant.
• Use your official name on your application as it appears on your valid government identification (i.e., REAL ID Driver's License, State ID, Passport).
• Must be at least 21 years old at the time of application and under 40 at referral. Exceptions may apply for those with current or prior service in federal law enforcement positions covered by special retirement provisions. The Secret Service has determined that age is essential to the performance of this position.
• Submit to a drug test prior to your appointment and random drug testing while you occupy the position. Disclose any prior drug use, attempted use, and/or experimentation.
• Obtain a Top-Secret Clearance and retain it during your career.
• This position requires an automatic credit check after initial qualifications are met.
• Carry and use a firearm. Maintaining firearm proficiency is mandatory. You will be ineligible to occupy this position if at any time you have been convicted of a misdemeanor crime of domestic violence, unless you received a pardon, or your conviction was expunged or set aside.
• Complete 13 weeks of intensive training at the Federal Law Enforcement Training Center (FLETC) in Glynco, GA and 20 - 22 weeks of specialized training at the James J. Rowley Training Center in Laurel, MD. Failure to pass the training program may result in separation from the Secret Service.
• Sign a mobility agreement stating your willingness to accept assignments anywhere within the United States and overseas.
• Certify that you have registered with the Selective Service System or are exempt from having to do so, if you are a male applicant born after December 31, 1959.
• Possess uncorrected visual acuity of no worse than 20/100 binocular, possess corrected visual acuity of 20/20 or better in each eye.(Note: Lasik, ALK, RK, and PRK corrective eye surgeries are acceptable eye surgeries for special agent applicants. Applicants will be considered eligible for the special agent position provided specific visual tests are passed. The following are waiting periods for visual tests: Lasik-2 months after surgery, PRK-6 months after surgery, ALK and RK-one year after surgery).
• Hearing loss, as measured by an audiometer, must not exceed 25 decibels (A.S.A. or equivalent I.S.O.) in either ear in the 500,1000 and 2000Hz ranges.