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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** CACI International Inc. - **Location:** Columbia, SC, United States - **Experience:** Expert - **Salary:** $120,800.0 - $265,800.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Data Analysis, Systems Engineering, Signals Intelligence, Complex Networks, Cyber Security, Systems Analysis, Local Area Networks, Network Security, Network Troubleshooting, Network Architecture, Network Administration, Operational Data Store, Wide Area Networks, Wireless Networks, Symantec, Mttr, Hardware Testing, Reliability of Systems, Cisco - **Published:** August 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/network-security-engineer-columbia-md--77222830-c7c4-44be-a5d9-32781fc1d4b2 ## About the Role * An active NSA TS/SCI with Polygraph. * 5+ years of Network Security Engineering experience supporting complex SIGINT hardware systems. * Bachelor's degree in a related technical field, or 5 additional years of experience in lieu of degree. * DoD 8570 IAT Level II certification. * At least three of the following certifications:- PCNSA- SNSA- SNSP- Symantec ProxySG 6.7 Technical Specialist- Cisco CCNA or higher, CCNA - Cisco Certified Network Associate, Commercial Off-the-Shelf (COTS), Computer Security, Data Analysis, Ecosystems, Engineering, Federal Contracts, Federal Government, Government Contracts, Government Off-the Shelf (GOTS), Government Requirements, Hardware Administration, Hardware Installation, Hardware Quality Assurance, Hardware Specification, Local Area Network (LAN), National Security Agency (NSA), Network Administration/Management, Network Architecture/Engineering, Network Performance/Analysis, Network Security, Network System Hardware, Operational Audit, Operational Support, Reliability Analysis, Safety/Work Safety, Sensitive Compartmented Information (SCI), Signal Intelligence (SIGINT), Software Testing, Symantec Product Family, Systems Analysis, Systems Engineering, Systems Scalability, Technical Delivery, Top Secret Clearance, Wide Area Network (WAN), Willing to Travel, Wireless Communications ## Description * Conduct onsite assessments and document current network architectures and mission-specific requirements. * Lead and coordinate hardware installations across multiple environments. * Recommend hardware specifications tailored to unique project needs. * Support systems engineering teams by modeling and analyzing proposed solutions. * Design, verify, and implement hardware test interfaces. * Perform MTBF/MTTR analyses to strengthen reliability and maintainability. * Analyze operational data to identify system vulnerabilities and performance gaps. * Evaluate LAN/WAN designs and ensure architectures adhere to mission security needs. * Research and assess COTS/GOTS technologies to drive mission capability. * Provide high-level expertise in network engineering, architecture, and planning. * Contribute to technical standards, interface specifications, and network troubleshooting. * Ensure system designs and implementations meet all government security requirements. * Develop and enhance security documentation for new and existing systems. * Support wired and wireless network analysis and optimization. * Conduct vendor comparisons, cost studies, and system scalability assessments. * Deliver independent evaluations of complex network ecosystems and recommend enhancements. * Identify and brief system weaknesses with clear, actionable recommendations. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [What Developers Get Wrong About Application Quality](https://www.wearedevelopers.com/videos/233-what-developers-get-wrong-about-application-quality) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Events like RSAC Get You CISOs. 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