Hiring: Senior Network Security Engineer Company: CACI International Inc Location: Columbia, MD Job Posted Time: 2026-09-17 12:34:51 Employment Type: Full-time Target Skills & Keywords : Systems Engineering About the job Experience: •8+ years of Network Security Engineering experience supporting complex SIGINT hardware systems. Required Skills: •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. Qualifications: •An active NSA TS/SCI with Polygraph. •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 •CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. •A focus on continuous growth. •Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Compensation: •$120,800 - $265,800 / year •Flexible work environment (work from home / hybrid options) •Competitive benefits and rewards package Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!