83 systems engineer iii jobs at 46 companies in Fredericksburg, VA

3mo
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Systems Engineer III (Remote Sensing Systems Architecture)
Seattle or Denver or Huntsville or Reston or Los Angeles
$121k-$169k/yr RemoteFull Time
Blue Origin
Blue Origin: Developing reusable space vehicles and infrastructure.
5+ YOE5+ years in aerospace/defense systems engineering; experience with RF sensing, requirements management, GMTI/AMTI concepts; architecture trade studies; TS/SCI clearance.
DOORS, Jama, MATLAB, STK
3mo
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Systems Engineer III
Dahlgren, Virginia, United States
$97k-$161k/yr OnsiteFull Time
Scientific Research Corporation
Scientific Research Corporation: Engineering and information technology services for government and industry.
Bachelor's in engineering, intermediate technical proficiency, eligibility for TS/SCI clearance, analytical and communication skills, ability to perform engineering analysis and develop hardware solutions.
Microsoft Windows, Linux, MATLAB, Python, Confluence, JIRA
2mo
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Senior Systems Engineer III
Oxnard or Washington
$75k-$90k/yr OnsiteFull Time
Pantheon Data
Pantheon Data: Pantheon Data is a private professional-services firm delivering IT, engineering, and consulting to government and commercial clients.
15+ YOEMaster's +15 years or Bachelor's +20 years in engineering; extensive systems engineering and sustainment experience; Confluence, SharePoint, Teams, and Microsoft Office proficiency; wiki/site administration and IMS experience; Secret clearance required.
Atlassian Confluence, Flankspeed Teams, SharePoint Online, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft SharePoint, Microsoft PowerPoint
3mo
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Systems Engineer III
Dahlgren, Virginia, United States
$97k-$161k/yr OnsiteFull Time
Scientific Research Corporation
Scientific Research Corporation: Engineering and information technology services for government and industry.
Bachelor's degree in engineering, analytical and problem-solving skills, intermediate technical proficiency, U.S. citizenship, and eligibility for a Top Secret/SCI security clearance.
Windows, Linux, MATLAB, Python, Confluence, JIRA, Agile
3mo
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Systems Engineer III
Tysons Corner, Virginia, United States
$133k-$158k/yr OnsiteFull Time
Integral Federal
Integral Federal: Private federal contractor delivering digital transformation, systems engineering, and national-security solutions to defense, intelligence, and civilian agencies.
7+ YOEBachelor's in engineering,7 years systems engineering experience,software integration/testing experience,biometric systems knowledge,DevOps/CI/CD experience,knowledge of RMF and NIST,Secret clearance.
ANSI/NIST ITL, DoW Electronic Biometric Transmission Specification (EBTS), Risk Management Framework (RMF), NIST, DevOps, Continuous Integration/Continuous Delivery (CI/CD)
1d
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Systems Engineer III - Federal
Herndon or Virginia
FieldFull Time
Unlimited Technology
Unlimited Technology: Private U.S. security integrator delivering physical, electronic, IT, cyber, and managed services to commercial and government clients.
5+ YOERequires 5+ years in access control, video surveillance, and network design; security platform, Windows Server, network, firewall, government systems, Microsoft Office, and communication skills; bachelor's degree or equivalent; government clearance eligibility.
Genetec, Software House, Lenel, Gallagher, Milestone, Avigilon, Commend, Feenics, AMAG, Cisco, HP, Cisco CLI, Juniper, Windows Server, Microsoft Office, Microsoft Excel, Microsoft Outlook, Microsoft Word, PIV, CIV, FICAM, HSPD-12, FIPS 201-2, VLAN
4d
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Pre-Award: MXM- Systems Engineer III
Crane or Washington or Tampa or Bedford or Dayton
OnsiteFull Time
Barbaricum
Barbaricum: Government contracting firm providing intelligence, analytics, and engineering support.
7+ YOERequires an ABET-accredited bachelor's degree, 7+ years of systems engineering experience, active DoD Secret clearance, U.S. citizenship, and expert knowledge of DoD systems engineering policy and SETR processes.
MIL-HDBK-539, System Engineering Technical Review (SETR), Requirements Traceability and Verification Matrix (RTVM), DoDI 5000.02, DoDI 5000.88, IEEE 15288, MIL-STD-961, INCOSE SE Body of Knowledge, INCOSE CSEP/ESEP
1mo
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Model-Based Systems Engineer III
Washington, District of Columbia, United States
OnsiteFull Time
ICI Services
ICI Services: Employee-owned U.S. defense contractor providing engineering, acquisition, information assurance, and sustainment services to Navy and government customers.
4+ YOEEligible for DoD SECRET clearance;4+ years Navy shipbuilding/defense systems experience;familiarity with MBSE, SysML/UML, DoDAF/UAF;experience with MBSE tools;Bachelor's in engineering or related field.
SysML, UML, MagicDraw/Cameo Systems Modeler, Sparx System Enterprise Architect, Rational Rhapsody, System Architect, DoDAF, UAF
1mo
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Sr. Systems Engineer III (6706)
Herndon or Reston or Tysons Corner
$166k-$202k/yr HybridFull Time
MetroStar
MetroStar: AI-enabled technology services provider delivering transformation, cybersecurity, and modernization solutions to U.S. defense and national-security agencies.
10+ YOEActive TS/SCI with CI Polygraph,10+ years technical leadership,advanced degree preferred,hands-on AI/ML,MLOps,data pipelines,AWS/Azure,containerization,DoDAF and SAFe experience.
MLOps, DoDAF, SAFe, AWS, Azure
2w
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Senior Systems Engineer
Chantilly, Virginia, United States
$98k-$163k/yr OnsiteFull Time
ManTech International
ManTech International: Advancing the future of defense through innovative technology.
5+ YOERequires a bachelor's degree and 5+ years of Linux or RHEL experience, or equivalent education and experience. Requires Top Secret clearance, IAT Level III certification, DoD computing environment certification, and Linux infrastructure expertise.
Linux, Red Hat Enterprise Linux (RHEL), Active Directory, Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), Bash, Python, Perl, Ansible, TrackIT, ServiceNow, ITIL Service Lifecycle
2w
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Systems Engineer Lifecycle and Integration
Chantilly, Virginia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
6+ YOERequires Top Secret clearance with ability to obtain TS/SCI, advanced DoD 8140 System Developer proficiency, 6–10+ years’ experience depending on degree, Windows/Linux infrastructure, Ansible, scripting, vulnerability remediation, and Tier III support.
GitLab, Ansible, Red Hat Satellite Server, Red Hat Enterprise Linux (RHEL), Active Directory, DNS, DHCP, PKI, SQL Server, PowerShell, Bash, Tenable, Nessus, ACAS, SAFe, Scrum, Kanban, RMF, JSIG, DISA STIG, VDI
1mo
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Cyber Security Systems Engineer III
Chantilly, Virginia, United States
$220k-$225k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission-critical services.
Extensive cybersecurity engineering experience with risk management frameworks, secure SDLC, accreditation leadership, and risk assessment; strong collaboration and technical judgment.
3w
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Senior Systems Engineer – SW Dev III
Arlington, Virginia, United States
OnsiteFull Time
EZ Technology Group
EZ Technology Group: Privately held cybersecurity and digital engineering services firm serving U.S. federal agencies with intelligent automation.
6+ YOEBachelor's degree and 6+ years software development experience; experience with RESTful APIs, CI/CD, cloud, DevSecOps, source control; U.S. citizen able to obtain security clearance.
Git, GitHub, GitLab, Azure DevOps, Microsoft Azure, AWS, ServiceNow, Power Platform, SharePoint, Salesforce, Docker, Kubernetes
1w
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Subject Matter Expert III - Information Systems Security Engineer
Arlington or Mechanicsburg
OnsiteFull Time
Sentar
Sentar: Employee-owned cyber-intelligence contractor serving U.S. national-security agencies with cybersecurity, intelligence, and systems-engineering services.
12+ YOEBachelor's degree in IT, computer science, engineering, or related discipline; 12 years' systems engineering and cybersecurity experience, including 7 in security automation, cloud engineering, and architecture.
AWS, Policy-as-Code, RMF, NIST, DISA STIGs
2mo
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Information Systems Security Engineer (ISSE) - Navy - Norfolk
Norfolk or Tysons or Richmond
$122k-$211k/yr HybridFull Time
LMI
LMI: Consulting and technology solutions for federal government agencies.
8+ YOEBachelor's degree required; DoD 8570 Level III (e.g., CISSP); 8+ years IT/cybersecurity experience; 4+ years security engineering; 2+ years DoD support; cloud (AWS/GCP/Azure) experience; ability to obtain Secret+ clearance.
AWS, GCP, Azure, DevOps, DevSecOps, IoT, OT, IoMT, LAN, WAN, RMF, ATO
2mo
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(USA) Systems and Infrastructure Engineer III, Information Security
Herndon or Bentonville
$108k-$216k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
2+ YOERequires a bachelor's degree plus 2 years of systems and infrastructure engineering experience, or 4 years of related experience. Requires Java, Python, or Go and security infrastructure expertise.
Java, Python, Go, GCP, Azure, PKI, TLS, SSH, WCAG 2.2 AA, Microsoft One.Walmart
3w
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(USA) Systems and Infrastructure Engineer III, Information Security
Sunnyvale or Herndon
$108k-$234k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
2+ YOEBachelor's degree plus 2 years or 4 years of systems and infrastructure engineering experience; requires WAF, DDoS, network protocols, log tools, scripting, and Azure or GCP knowledge.
Web Application Firewall (WAF), TCP/IP, IPSec, HTTPS, SSL, Content Delivery Networks (CDNs), Splunk, Kibana, ArcSight, Azure, GCP, Firewalls, DNS, Web Content Accessibility Guidelines (WCAG) 2.2 AA
3mo
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Systems Engineering/SME
Washington, District of Columbia, United States
OnsiteFull Time
ADDX Corporation
ADDX Corporation: Service-disabled veteran-owned technology, engineering, and mission-support contractor serving U.S. government and national-security customers.
7+ YOE7+ years in systems engineering; DAWIA Level III or INCOSE CSEP; strong SELC policy, MSAM/NMAP reviews, USCG/DHS SELC knowledge.
DAWIA, INCOSE CSEP, MSAM, NMAP, SELC, USCG, DHS
1mo
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Project Engineer III
Chantilly, Virginia, United States
OnsiteFull Time
Pavion
Pavion: Private U.S. systems integrator providing fire, security, audiovisual, and critical communications solutions to commercial and institutional clients.
5+ YOE5+ years engineering low-voltage systems experience; advanced CAD proficiency; deep knowledge of security, access control, fire alarm, AV, and networked systems; strong leadership and communication skills.
CAD
2w
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Subject Matter Expert III - Information Systems Security Engineer
Arlington or Mechanicsburg
OnsiteFull Time
OneZero Solutions
OneZero Solutions: Private service-disabled veteran-owned cybersecurity and IT contractor serving federal, civilian, and commercial clients.
12+ YOE5+ MgmtBachelor's degree, approved AWS or CISSP certification, 12 years in systems engineering and cybersecurity, 7 in security automation/cloud architecture, 5 as a technical lead, Secret clearance, and U.S. citizenship.
AWS, AWS Systems Manager, Infrastructure-as-Code, Policy-as-Code, Compliance-as-Code, Microsoft Power BI, RESTful APIs, RMF, NIST, DISA STIGs, DevSecOps