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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** Pennsylvania State University - **Location:** San Diego, CA, United States (Remote available) - **Experience:** Expert - **Salary:** $100,136.0 - $197,604.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Agile Methodology, Configuration Management, Cyber Security, Dynamic Program Analysis, Firmware, Networking Hardware, Network Security, Linux System Administration, Network Architecture, Network Administration, Secure Coding, Data Streaming, Software Vulnerability Management, Cloud Platform System, Patch Management, Nessus, Vulnerability Analysis - **Published:** October 27, 2026 - **Apply:** https://diversityjobs.com/career/18751414/Network-Security-Engineer-California-San-Diego ## About the Role * Demonstrated experience developing RMF documentation and guiding systems through accreditation across multiple environments * Proven ability to design and scale secure network architectures across multidomain systems * Strong background in cybersecurity disciplines, including vulnerability management, scanning, compliance evaluation, and control implementation * Experience interpreting security policy, generating evidence, and documenting test results for NIST 80053 / JSIG security controls * Active TS/SCI clearance (or eligibility to obtain) Preferred Skills/Experience areas include: * Experience managing configuration control for securityrelated network hardware, software, and firmware * Prior work as a System or Network Administrator * Handson experience with Windows and Linux environments, especially in enterprise or tactical networks * Familiarity with DoD technical and policy documentation * Experience developing security or RMF training materials * Proficiency with eMASS, ACAS/Nessus, STIG application, and network hardening * Certifications such as GRC, CISSP, CISM, CCISO, GIAC, GSLC, or CASP+ MINIMUM EDUCATION, WORK EXPERIENCE & REQUIRED CERTIFICATIONS If filled as Cyber Security Engineer (ARL) - Senior Professional, this position requires: Bachelor's Degree 6+ years of relevant experience; or an equivalent combination of education and experience accepted Required Certifications: None If filled as Cyber Security Engineer (ARL) - Advanced Professional, this position requires: Bachelor's Degree 3+ years of relevant experience; or an equivalent combination of education and experience accepted Required Certifications: None, Employment with the University will require successful completion of background check(s) in accordance with University policies. Notice regarding employment at the Applied Research Laboratory (ARL): Employees must be eligible to obtain a government security clearance, participate in the ARL drug testing program, and comply with electronic and physical monitoring requirements applicable to federal contractors. ARL operates in a secure information environment involving Unclassified, Controlled Unclassified Information (CUI), and Classified information. Personal electronic devices brought onsite must be registered and may be restricted from certain areas. You must be a U.S. citizen to apply. ## Description * Design, implement, and maintain network security architectures across multidomain and cloudconnected environments * Define and enforce cybersecurity and network administration processes, ensuring consistent protection of data flows across experimental and operational networks * Collaborate across infrastructure, systems, and cloud teams using Agile methods to ensure secure design, verification, deployment, and continuous monitoring of networked environments * Develop Risk Management Framework (RMF) documentation and Body of Evidence artifacts, including system security plans and conceptofoperations documents for networked and cloud systems * Apply security engineering principles-secure design, secure coding practices, static/dynamic analysis, and architectural review-to validate system security requirements across network infrastructure * Conduct network security assessments within MLS systems, supporting vulnerability analysis, threat modeling and security control validation * Plan, execute, and report on security assessments across multiple classification domains * Implement and validate security controls across network architectures, including boundary protections, segmentation, crossdomain interfaces, and secure transport mechanisms * Coordinate and oversee RMF documentation required for accreditation of networked cloud environments, including Cybersecurity Strategy and Continuous Monitoring Plans * Support lifecycle security requirements such as patch management, supply chain evaluation, change control, and defect management * Mentor and support team members when needed Additional responsibilities for higherlevel roles: * Collaborate closely with ISSOs and ISSMs to refine RMF documentation, review system security plans, risk assessments, accreditation packages, and POA&Ms * Operate independently to develop RMF Authorization & Assessment (A&A) packages and deliver artifacts required to obtain an Authority to Operate (ATO), ARL's purpose is to research and develop innovative solutions to challenging scientific, engineering, and technology problems in support of the Navy, the Department of Defense (DoD), and the Intel Community (IC).