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POSITION SPECIFICS
Your work location will be fully onsite located in San Diego, CA. Questions about flexible work arrangements may be directed to the hiring manager during the interview process.
Periodic travel to local and remote test sites is required.
We are seeking a highly motivated Network Security Engineer with a strong foundation in security engineering to join the DevSecOps Team of the Joint Mission Integration and Experimentation (JMIE) Division within the Information Advantage Office at the Applied Research Laboratory (ARL) at Penn State, based in San Diego, CA. The JMIE Division delivers advanced communications capabilities and secure experimentation networks supporting departmental mission partners, including cross‑domain data movement, tactical compute environments, and resilient edge processing.
ARL is an authorized DoD SkillBridge partner and welcomes transitioning service members to apply.
You will:
Design, implement, and maintain n etwork security architectures across multi‑domain and cloud‑connected 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 concept‑of‑operations 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, cross‑domain 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 higher‑level 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)
Required Skills/Experience areas include:
Demonstrated experience developing RMF documentation and guiding systems through accreditation across multiple environments
Proven ability to design and scale secure network architectures across multi‑domain systems
Strong background in cybersecurity disciplines, including vulnerability…