Senior Principal Engineer Systems - Cyber (oklahoma City)

Northrop Grumman Northrop Grumman · Aerospace · Oklahoma City, OK +1 · Systems/Architecture/Test

Senior Principal Engineer Systems - Cyber role at Northrop Grumman focused on secure operations of cloud infrastructure, platforms, and software. Responsibilities include designing and implementing security tooling, assessing system security controls, documenting A&A activities, managing security tools, and serving as an Information System Security Engineer (ISSE). Requires a STEM degree, DoD 8570 IAT Level II Certification, and experience with RMF, Linux/Windows systems, SIEM, and vulnerability scanning tools. Clearance required.

What you'd actually do

  1. Design, plan, and implement security tooling configurations to ensure compliance with NIST Special Publication (SP) 800-53, CNSSI 1253, and DoD RMF Knowledge Service guidance.
  2. Assess system security controls, validate the effective implementation of controls, identify vulnerabilities, and propose corrective measures.
  3. Document the results of Authorization and Accreditation (A&A) activities, prepare System Security Plans (SSPs), and maintain updated Plans of Action and Milestones (POA&Ms).
  4. Manage the implementation, automation, configuration, and maintenance of security tools, including centralized authentication solutions, IDS/IPS systems, and compliance baselines.
  5. Provide expert technical analysis of cybersecurity infrastructure challenges, developing innovative technical solutions tailored to customer requirements.

Skills

Required

  • STEM degree with 8 years of related engineering experience (or Master's with 6, or PhD with 4)
  • DoD 8570 IAT Level II Certification
  • Working knowledge of NIST 800-37 RMF artifacts
  • Hands-on experience deploying and configuring Linux and Windows systems per DoD STIG requirements
  • Expertise in configuring SIEM and IDS/IPS tools (ACAS, HBSS, Splunk)
  • Familiarity with vulnerability and compliance scanning tools (Tenable.SC, SCAP)
  • Knowledge of Cross-Domain Solution (CDS) technology
  • Experience designing, integrating, maintaining, and retiring systems within cloud environments
  • Proficiency in scripting security processes
  • Ability to maintain U.S. Government Secret Clearance
  • Ability to maintain Special Program Access (SAP)

Nice to have

  • DoD 8570 IAT Level III Certification
  • Familiarity with DoD 8500-series and 8510.01 IA policy directives
  • Exceptional communication, negotiation, and interpersonal skills
  • Experience with next-generation security technologies (Dell, Cisco, Palo Alto)
  • Knowledge of Software Development Life Cycle (SDLC) processes and tools (DOORS)
  • Experience with cloud service providers (Azure, AWS)

What the JD emphasized

  • Current DoD 8570 IAT Level II Certification (e.g., Security+ CE).
  • Your ability to transfer and maintain the final adjudicated U.S. Government Secret Clearance (must be in-scope or enrolled in Continuous Evaluation) and any program access(es) required for the position within a reasonable period of time, as determined by the Company.
  • Candidate must have and be able to maintain Special Program Access (SAP) within a timeframe reasonable to the company.