Senior Principal Cyber Engineer

SAIC is seeking a Senior 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 finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems.

This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved.

JOB DUTIES:

• Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment.

• Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools.

• 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.

• Documenting vulnerabilities, detailing risks, and provide recommendations and measures to improve security posture.

• Keep up to date and report to government the latest exploits, hacking techniques, and security tools.

REQUIREMENTS :

Education and Experience:

• Bachelors in Cybersecurity, Computer Science, Engineering and nine (14) years or more experience; master's degree and twelve (12) years or more experience. Years of experience in lieu of degree to be considered.

• 5-7 Years relevant hands on experience with 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.

Clearance:

• Must be a U.S. Citizen.

• Must have an Active Top Secret clearance to start.

• Must be able to obtain a TS/SCI after 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.

DESIRED SKILLS:

• 10+ 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.

• Splunk Enterprise Security experience.

• Python, PowerShell, Bash, or other automation/programming experience.

• Experience with REST APIs and cybersecurity tool integrations.

Certifications:

• SecurityX or CISSP certification, including candidates actively pursuing either certification.

• Certifications such as OSCP (Offensive Security Certified Professional), CEH (Certified Ethical Hacker), or CISSP are highly valued.

• Offensive security certifications**(OSCP, GPEN, or GWAPT).**

SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com . For ongoing news, please visit our newsroom .