Network Security Engineer
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Role Overview
At CACI, we don’t just work on technology—we deliver solutions that strengthen national security and empower critical missions around the world.
We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high-impact programs.
In this role, you’ll play a pivotal part in designing, evaluating, and securing complex network and hardware systems that support vital intelligence operations.
Key Skills for This Role
Full Job Posting
Network Security Engineer
At CACI, we don’t just work on technology—we deliver solutions that strengthen national security and empower critical missions around the world.
We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high-impact programs.
In this role, you’ll play a pivotal part in designing, evaluating, and securing complex network and hardware systems that support vital intelligence operations.
Responsibilities
- 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.
Qualifications
- 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.
What You Can Expect
- A culture of integrity.
- An environment of trust.
- A focus on continuous growth.
- Comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
About CACI
Provider of specialized IT and mission-critical government services.
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