41 systems engineer iii jobs at 21 companies in Winchester, 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
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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Systems Security Engineer III
Southern Pines or Hagerstown
OnsiteFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Aerospace and national security contractor providing innovative technology solutions.
Bachelor's degree or equivalent experience, 5+ years in IT security, IAT Level III certification, application security testing experience, and knowledge of DoD STIGs, NIST publications, networking, and operating systems.
NIST Risk Management Framework, eMASS, XACTA, ACAS, Tenable Nessus, SCAP Compliance Checker, SAST, DAST, SCA, DevSecOps, Kubernetes, CNCF
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.
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
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
1d
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Mechanical Engineer III
Ashburn, Virginia, United States
HybridFull Time
CPG Beyond
CPG Beyond: Private data center provider designing, building, and operating facilities for hyperscalers, enterprises, colocation providers, and public-sector customers.
3+ YOEBachelor's degree in mechanical engineering, 3–5 years designing mechanical systems in mission-critical environments, CAD and Microsoft Office proficiency, and ability to travel up to 20%.
CAD, Microsoft Office, AutoCAD, Revit, Employee Assistance Program (EAP)
2mo
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Life Safety Systems Engineer - FAB20 (Chandler, AZ, US, 85224)
Chandler or Houston or Reston
HybridFull Time
Bechtel
Bechtel: Global engineering, procurement, and construction.
10+ YOEBachelor's degree plus 10+ years' experience; senior expertise in design and integration of fire and life safety systems (networked fire alarm, EVACS/ECS, VESDA, IB‑PSC, TGMS); strong knowledge of NFPA, IBC, IFC; NICET III preferred; PE a plus.
VESDA, Bechtel Standard Application Programs (BSAPs), Engineering Department Procedures (EDPs)
3mo
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Forward Deployed Engineer III, Generative AI, Google Cloud
San Francisco or Atlanta or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Los Angeles or Miami or Mountain View or New York or Portland or Reston or San Diego or Seattle or Sunnyvale or Washington D.C.
$174k-$252k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
5+ YOE5 years software development; AI systems on cloud; production-grade AI solutions; customer engagement; data pipelines with vector DB/RAG
Python, LangGraph, CrewAI, ADK, RAG, Vector Databases, LLM Metrics, Vertex AI, MCP servers
2mo
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LEAD IT SYSTEMS ENGINEER - PUB SEC (HERNDON, VA, US, 20171)
Herndon, Virginia, United States
$145k-$194k/yr OnsiteFull Time
Lumen Technologies
Lumen TechnologiesNYSE: LUMN: Public telecommunications providing enterprise networking, fiber connectivity, cloud, security, and managed services to organizations.
6+ YOETS/SCI clearance required; 6+ years enterprise network design experience (or 12 years in lieu of degree); expertise in Layer 2/3 protocols (BGP, IS-IS, MPLS, OSPF, multicast); CCNA or JNCIA required (CCNP/JNCIP preferred); MS Office/Visio; Tier III support and mentoring experience.
Microsoft Office, Microsoft Visio, Ethernet test sets, packet capture tools, protocol analyzers
1mo
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Systems Development Engineer III, ISV Integration, Region Product Management- Region Services
Arlington or Herndon
$151k-$205k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
4+ YOERequires active TS/SCI with polygraph, 4+ years professional software/systems development, 3+ years programming in languages like C++, C#, Java, Python, Go, PowerShell, or Ruby, experience with ISV/SaaS integration and systems design.
C++, C#, Java, Python, Golang, PowerShell, Ruby
1mo
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Engineer II, III, IV - Substations
Gainesville, Virginia, United States
$99k-$178k/yr HybridFull Time
Northern Virginia Electric Cooperative
Northern Virginia Electric Cooperative: Member-owned, not-for-profit electric distribution cooperative serving homes and businesses across Northern Virginia.
2+ YOEBachelor's in electrical engineering required; 2–12+ years electric utility experience depending on level; PE preferred for senior roles; EIT preferred; proficiency with CAD, SCADA, and Microsoft Office; knowledge of system protection.
computer-aided design software, SCADA, Microsoft Office
1mo
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Senior Infrastructure / DevSecOps Engineer (RF Ground Systems)
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
5+ YOE5+ years Infrastructure/DevOps experience, strong Kubernetes and cloud (AWS/GCP/Azure) skills, CI/CD and automation expertise, scripting in Python/Bash, IAT II/III or equivalent security certs, active TS/SCI with Polygraph.
Kubernetes, GitLab, Python, Shell, Helm, Argo CD, AWS, GCP, Azure, Jenkins, GitHub Actions, Bash, GitHub workflows, Docker, Podman, Terraform, CloudFormation, Prometheus, Grafana
3mo
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SATCOM/Network Engineer III
Mt. Weather, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
8+ YOEActive TS/SCI with poly required, 8+ years network engineering experience, expertise with Juniper, routing protocols (OSPF, BGP, MPLS), SATCOM/VSAT systems, IP services to NIPR/SIPR/JWICS, and network analysis tools.
Juniper, Forward Networks, HP Network Node Manager, Riverbed, Starshield, OSPF, BGP, MPLS, SNMP, VOIP, VTC, VPN, IPv4, NIPRNET, SIPRNET, JWICS, VSAT, SCPC, TDMA, SDN, QOS, Multicast
1mo
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IT Telecommunications Engineer II / III
Manassas, Virginia, United States
$82k-$144k/yr OnsiteFull Time
City of Manassas
City of Manassas: Municipal government providing public safety, utilities, infrastructure, and community services to Manassas, Virginia residents.
4+ YOEDesign, implement, and support enterprise network and telecommunications systems; experience with Cisco, Mitel/VoIP, VLANs, ACLs, fiber cabling; valid Virginia driver’s license; 4+ years network/telecom experience (tier dependent).
Microsoft Windows, Cisco, Mitel, VoIP
2mo
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LVC Engineering Technician III
Coronado or San Diego or Ashburn or Sierra Vista or United States
$75k-$83k/yr OnsiteFull Time
VETS
VETS: Service-disabled veteran- and woman-owned IT contractor providing technology and management services to government and commercial clients.
4+ YOEDoD Secret clearance required. 4 years electronic/computer systems maintenance experience; Security+ certification within 6 months. HS diploma required; associate's preferred. Familiarity with networking, IA, and naval operations (preferred).
SIMDIS, Network Enterprise Tactical Training Network (NETTN), SCTTR, Common Operational Picture (COP), TTGP