Showing page 8 of 590 (Total listings: 11783)
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Chantilly, Fairfax County
May 25, 2026

Job Title: Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: You will support our work automating cybersecurity operations, emulating adversary behavior, and improving the defensive postures of our sponsors. You'll evaluate tools and methodologies, assess adversary intent, develop cybersecurity analytics an…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Colonial Beach, Westmoreland County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Dentsville, Charles County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Port Royal, Caroline County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Dahlgren, King George County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Port Tobacco, Charles County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Charlotte Hall, St. Mary's County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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La Plata, Charles County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Mount Victoria, Charles County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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King George, King George County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

Network Security Engineer - Competitive 401(k) programs

SimVentions, Inc - Glassdoor ✪ 4.6 ✓ Verified
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Chaptico, St. Mary's County
Aug 4, 2026

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Senior-Level Cybersecurity Engineer to join our team! This position will be seated 100% on-site at NSWC Dahlgren, Virginia. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance with SCI eligibility is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classi…

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Alpharetta, Fulton County
Oct 16, 2026

Network Security Engineer (Manufacturing / OT Environment) Location: Alpharetta, GA 12 Months contract Hybrid role Need Independent candidates Locals only Key Responsibilities Design & Architecture Design and build secure enterprise network infrastructure across manufacturing and corporate environments. Design Cisco-based LAN, WAN, Wireless, and SD-WAN solutions to support business and operational requirements. Develop network segmentation strategies for IT and Operational Technology (OT) envir…

Akamai CDN / WAF - Senior Network Security Engineer

MailMigrationSupport LLC ✓ Verified
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US
Oct 11, 2026

Location: Remote – United States Employment Type: Contract / Part-Time Work Schedule: Approximately 20 hours per week, with potential for additional hours Contract Duration: Initial term TBD, with potential for extension Working Hours: U.S. business hours, preferably Central/Eastern Time We are seeking a highly experienced Senior Network Security Engineer with Akamai CDN and Web Application Firewall (WAF) expertise to support a large enterprise environment. The ideal candidate will have a stron…

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The Woodlands, Montgomery County
Oct 14, 2026

Duration: 6 Months Contract Key Responsibilities: Translate high-level business strategic objectives and goals into Enterprise IT requirements and conceptual designs. Develop and support comprehensive solutions that meet requirements and align with client’s global network security and microsegmentation strategy . Develop and maintain a multi-year strategic network and security architecture roadmap, incorporating Zero Trust and segmentation-driven security models . Lead end-to-end network and se…

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Northlake, DeKalb County
Sep 28, 2026

Focus Areas: Azure/Google Cloud Platform networking, routing, NAT, DNS, Application Gateway, AKS, Zscaler, XDR/NDR, firewall validation, and security remediation. Key Work Areas · Azure Application Gateway v1 to v2 migration · Zscaler rollout, onboarding, and remediation · Cisco XDR/NDR deployment and operational support · Azure IP renumbering initiatives · AKS/Kubernetes network migration and optimization · Firewall, NAT, DNS, routing, peering, and public IP validation · Multi-cloud network an…

Principal Network Security Engineer with Security Clearance

Global Enterprise Services, LLC ✓ Verified
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Fort George G Meade, Anne Arundel County
Oct 19, 2026

GES is seeking an experienced Principal Network Security Engineer to design, engineer, and implement enterprise network security capabilities across a large, distributed network environment. The role is responsible for advancing network security architecture through the execution of strategic design and implementation efforts that improve the security posture, segmentation, access control, and resiliency of the enterprise network. This position is responsible for overall network security engine…

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Fort George G Meade, Anne Arundel County
Oct 15, 2026

Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success! Job Summary JCS Solutions is seeking a Principal Network Security Engineer to design, engineer, and implement enterprise network security capabilities across a large, distributed Department of Defense network environment. This role serves as a senior technical leader responsible for advancing network security architecture through strategic engineering efforts that strengthen segmentation, ac…

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Suitland, Prince George's County
Oct 16, 2026

Who we are: Tria Federal delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied on Tria companies to advance their critical missions and modernize their systems, so that they can uphold their commitment to the American people. Today, we are pushing the boundaries of possibility through partnerships and investments in artificial intelligence and emerging technologies, developi…

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Secaucus, Hudson County
Oct 20, 2026

Role : Fortinet Firewall Specialist / Senior Network Security Engineer Location : Secaucus, NJ(Onsite) Job Type : Full-Time Only Key Requirements Expert-level experience with FortiManager and FortiGate . Design and manage Zero-Touch Provisioning (ZTP) deployments. Strong experience with Fortinet Security Fabric , Secure SD-WAN , and centralized firewall management. Deploy and support HA clusters , VDOMs , multi-tenant environments, and ADVPN . Experience with FortiSwitch , FortiAP , and FortiAn…

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Northlake, DeKalb County
Oct 5, 2026

Cargill is committed to providing food and agricultural solutions to nourish the world in a safe, responsible, and sustainable way. Sitting at the heart of the supply chain, we partner with farmers and customers to source, make and deliver products that are vital for living. Our 155,000 team members innovate with purpose, providing customers with life’s essentials so businesses can grow, communities prosper, and consumers live well. With over 160 years of experience as a family company, we look…

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