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Reston, Virginia

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Today

Job ID: 2611229 Location: Reston, VA, US Date Posted: 2026-04-09 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a highly skilled Principal Systems Engineer to take a leadership role in the design, development, and integration of complex software systems. This

Full-time

Principal Systems Engineer (Cloud)

Hybrid in Vienna, Virginia

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Today

Overview To provide comprehensive technical leadership in translating Navy Federal strategies into effective IT and business capabilities through the planning, design, implementation, and integration of IT systems and services. Define and drive business transformation efforts by minimizing architectural and operational risk, and by providing proven technical solutions to business challenges. Work is performed under limited supervision. Responsibilities Develop target solutions ensuring the integ

Full-time

$128,300-$187,500 per year

Principal Systems Engineer- Athena Control Systems

Sterling, Virginia

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5d ago

Date Posted: 2026-04-01 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 Collins Aerospace is looking for a Principal Systems Engineer with a

Full-time

USD 118,300.00 per year

Principal Systems Engineer

Germantown, Maryland

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Today

Job ID: 114199 DRS RADA Technologies, a subsidiary of Leonardo DRS, is focused on proprietary radar solutions and legacy avionics systems supporting the defense industry globally. The company is a global pioneer of AESA tactical radars for active military protection, counter-drone applications, critical infrastructure protection, and border surveillance. Job Summary The Radar Systems Engineer will be responsible for the definition of radar system architectures, the development of concepts of o

Full-time

USD 134,332.00 - 208,551.00 per year

Principal Systems Engineer - Flight Training Programs (Onsite)

Sterling, Virginia

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5d ago

Date Posted: 2026-03-16 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 Principal Systems Engineer - Flight Training Programs (Onsite) At RTX

Full-time

USD 118,300.00 per year

Senior Principal Systems Engineer (Onsite)

Dulles, Virginia

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5d ago

Date Posted: 2026-03-30 Country: United States of America Location: US-VA-DULLES-710 ~ 22110 Pacific Blvd ~ BLDG 10 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: TS/SCI with Polygraph Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in

Full-time

USD 145,600.00 per year

Principal Systems Engineer

Suitland-Silver Hill, Maryland

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Today

Overview SilverEdge is a premier provider of innovative cyber, software and intelligence solutions addressing everyday challenges to meet mission goals across the DOD and Intel Communities and beyond. We are seeking a system engineer to provide technical and engineering support services to ensure the architecting, engineering, development, implementation, integration, deployment and sustainment of systems. Your daily duties will include but not limited to the following: Support the performance

Full-time

Principal Systems Engineer (ONSITE)

Fulton, Maryland

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5d ago

Date Posted: 2026-03-05 Country: United States of America Location: US-MD-FULTON-8170 ~ 8170 Maple Lawn Blvd ~ MAPLE LAWN, Ste 190, 200 & 300 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 Solipsys, Managed by Collins Aerospace

Full-time

USD 118,300.00 per year

Senior Principal Systems Engineer (ONSITE)

Fulton, Maryland

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5d ago

Full-time

USD 145,600.00 per year

Air & Space Defense Systems Operations Analysis Cross-Product Team Lead/Sr Principal Systems Engineer Onsite

Arlington, Virginia

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5d ago

Date Posted: 2026-03-30 Country: United States of America Location: US-VA-ARLINGTON-VA1 ~ 2461 S Clark St ~ BLDG 1, Ste 1000 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is r

Full-time

USD 145,600.00 per year

IT SailPoint Principal Systems Engineer

Remote or Englewood, Colorado

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Today

Where You'll Work Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has

Full-time

USD 60.24 - 89.60 per hour

Principal Test Systems Engineer

Reston, Virginia

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Today

Job ID: T2601188 Location: Reston, VA, US Date Posted: 2026-03-05 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ? We are seeking a Test Systems Engineer to develop and lead a test campaign for system level testing to validate mission readiness and performance. This position

Full-time

Principal, Systems and Infrastructure Engineer, AI Security & Agentic Systems

Herndon, Virginia

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Today

Position Summary As a Principal Software Engineer on our AI Security team, you will be a hands-on technical leader helping shape how we build, secure, and scale AI systems across the company. You will review and evolve our AI security standards, assess internal AI projects, and apply your deep technical background and threat landscape awareness to drive meaningful improvements to our security posture. This role requires a unique blend of security expertise, systems thinking, software engineerin

Full-time

USD 108,000.00 - 216,000.00 per year

Principal Systems Reliability Engineer, Secure Federal Operations

Herndon, Virginia

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Today

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! This role is responsible for designing and implementin

Full-time

USD 114,800.00 - 207,200.00 per year

Principal Endpoint Security Systems Engineer

Bethesda, Maryland

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Today

Leidos has an exciting opportunity a Principal Endpoint Security Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Fl

Full-time

USD 131,300.00 - 237,350.00 per year

Principal Elasticsearch Systems Engineer

Bethesda, Maryland

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Today

Leidos has an exciting opportunity for a Principal Elasticsearch Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Fl

Full-time

USD 131,300.00 - 237,350.00 per year

Space Systems Engineer Principal

Chantilly, Virginia

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Today

Job ID: 2611120 Location: Chantilly, VA, US Date Posted: 2026-04-07 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ? SAIC is seeking a motivated and detail-oriented Principal Systems Engineer to support ESR execution, extended mission activities, and activation opportu

Full-time

Systems Engineer Sr Principal

Chantilly, Virginia

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Today

Job ID: 2610712 Location: Chantilly, VA, US Date Posted: 2026-04-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking an Acquisition Systems Engineer to join the Air Force, Space and Intelligence Business Group (AFSI) in our Chantilly, VA office. AFSI prov

Full-time

Systems Engineer Sr Principal

Chantilly, Virginia

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Today

Job ID: T2601452 Location: Chantilly, VA, US Date Posted: 2026-03-05 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ? Join a winning team! Be part of a dynamic team that delivers excellence and quality for the NRO's Systems Engineering Directorate (SED). SAIC is seeking to fill an openin

Full-time

Principal Engineer - Control Systems

Reston, Virginia

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Today

Requisition ID: 290945 Relocation Authorized: None Telework Type: Part-Time Telework Work Location: Reston, VA Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Differentiated by the qualit

Full-time

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