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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Cybersecurity Engineer - **Company:** Science Applications International Corporation - **Location:** San Diego, CA, United States (Remote available) - **Experience:** Expert - **Salary:** $160,001.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Secure Shell (SSH), Software System Penetration Testing, Bash Shell, C++ (Programming Language), Cyber Security, Computer Programming, Datagram Transport Layer Security, VMware ESX Servers, Hyper-V, Identity and Access Management, Internet Protocol Security (IP SEC), Intrusion Detection and Prevention, Intrusion Detection Systems, Python (Programming Language), Network Security, Multi-Purpose Internet Mail Extensions (MIME), Network Forensics, Public Key Infrastructure, Windows PowerShell, Red Team (Cyber Security), Zero Trust Network Access, Wireshark, Virtualization Technology, Network Routers, Scripting, In-Plane Switching (IPS), Cyber Threat Analysis, Firewalls (Computer Science), GWAPT, Information Technology, Nutanix, Docker, Vulnerability Analysis - **Published:** August 21, 2026 - **Apply:** https://www.dice.com/job-detail/79fe0f93-3120-494a-8df6-bc4d2de58fc7 ## About the Role * Bachelors in Cybersecurity, Computer Science, Engineering and nine (9) years or more experience; Years of experience in lieu of degree to be considered. * 9+ Years in Cybersecurity Engineering or related discipline * 5+ years hands on designing, implementing, or supporting hardened IT systems in classified or high-security environments * Proven penetration testing and/or red team experience against DoD/IC systems * Demonstrated experience with air-gap architecture, data diodes, and secure offline transfer mechanisms * Experience working with Nutanix-based architecture Clearance * Must have an Active TS/SCI to start Technical Skills: * Deep knowledge of DoD/IC security frameworks (NIST RMF, DISA STIG, DoD CC SRG) * Proficiency with network security devices (firewalls, IDS/IPS, routers, switches) and secure protocols (IPSec, TLS/DTLS, SSH, S/MIME) * Network traffic analysis using Wireshark * Strong scripting/programming skills (Python, Bash, PowerShell, C/C++) * Experience with HSM, TPM, and PKI implementation * Familiarity with virtualization/containers (VMware ESXi, Hyper-V, Docker) in hardened, secure contexts Certifications * IAM Level II/III per DoD 8570.01-M (CISSP, CISM, or CAP) DESIRED SKILLS: * Master's degree in Cybersecurity or related field * 9+ years supporting DoD/DoN Navy-focused programs * Experience with NIWC Pacific or Navy organizations * Familiarity with NIAP and Common Criteria technologies * Strong communication skills for senior leadership and multidisciplinary team engagement Certifications * Offensive security certifications (OSCP, GPEN, or GWAPT) ## Description SAIC is seeking a Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record securing classified and high-security environments. Support enterprise Identity and Access Management (IAM), PKI, and Zero Trust initiatives. In this role, you will design, implement, automate, and maintain secure identity and cryptographic infrastructure solutions for large-scale enterprise environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient systems for our nation's warfighters., * Plan and execute penetration tests and red team exercises against classified systems, networks, and applications simulating advanced persistent threats (APT) * Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools * Design, implement, and maintain air-gap architectures, data diodes, and secure offline transfer mechanisms * Architect and harden IT systems, virtualized environments, and network security devices in classified settings * Conduct vulnerability assessments and develop mitigation strategies aligned with DISA STIGs and DoD standards * Design, implement, configure, and maintain enterprise PKI environments * Identify and implement process improvements for cybersecurity sustainment across the operational environment. ## Related Videos - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) ## 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) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed) - [The Overflow: Security and Privacy](https://www.wearedevelopers.com/magazine/715-the-overflow-security-and-privacy) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities)