Assistant Contractor Special Security Officer

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology.

We are looking for an Assistant Contractor Special Security Officer , Program Integration (ACSSO-Program Integrator) to join our growing team in Chantilly, VA.

This is a customer-appointed security program management position embedded within the security organization , the incumbent must be nominated by the contractor and formally approved by the Westfield government program security office to ensure compliance with the customer’s classified program security standards before assuming any duties in this role.

The position requires a cleared professional who combines hands-on technical fluency with a knowledge of SCI security policy.

Responsibilities

• Serve as the designated security point of contact for all program teams, IT deployment teams, and system administration groups , ensuring every technical change, system deployment, and infrastructure modification receives proper security review before implementation.
• Translate complex security requirements (ICD 503, NIST SP 800-53, NISPOM) into clear, actionable technical guidance that IT deployment teams can execute against, and verify that implementations meet the intent of the requirement.
• Act as the day-to-day security liaison embedded with engineering and IT operations, maintaining enough technical depth in systems administration, network architecture, and deployment workflows to evaluate proposed changes on their security merits.
• Provide regular security status roll-ups to program management and the CSSO that translate technical findings, system vulnerabilities, and deployment risks into program-level risk language accessible to non-technical stakeholders.
• Coordinate directly with government security representatives, Authorizing Officials, CSAs, and partner program security teams on all cross-functional security matters, serving as the primary technical voice from the contractor security organization.
• Communicate system architecture decisions, technical risk posture, and remediation plans to government program security offices with sufficient technical precision to support informed authorization decisions.
• Serve as the Alternate CSSO, assuming full CSSO authority and responsibilities in the primary CSSO’s absence, including independent security decision-making, incident reporting, and government liaison duties.
• Administer SCI security programs in accordance with ICD 703, ICD 705, ICD 503, NIST SP 800-53, and applicable NISPOM requirements, ensuring continuous compliance across all program activities.
• Assist with incident response coordination, including classification reviews, damage assessments, government notifications, evidence preservation, and remediation tracking.
• Direct the program security implementation schedule, assigning action items, managing POA&Ms, and driving corrective actions to closure across all responsible parties.
• Maintain current security documentation including System Security Plans (SSPs), hardware/software inventories, network diagrams, SCIF documentation, and configuration baselines.
• Conduct self-inspections and internal security reviews in concert with IT stakeholders of IT infrastructure to identify vulnerabilities, process gaps, and compliance deficiencies; develop and implement corrective action plans.
• Develop and maintain SOPs, security checklists, and templates to standardize security operations, improve the security-to-operations handoff, and track improvement metrics across programs.

Required Qualifications

• Active TS/SCI security clearance (CI Polygraph preferred).
• 3–5 years of experience as an ACSSO or similar role in security operations, system administration, or IT operations within classified environments.
• Demonstrated understanding of ICD 503 and NIST SP 800-53.
• Detailed familiarity with system accreditation processes, POA&M management, and security documentation (SSPs, SCTG, etc.).
• Experience coordinating with government security counterparts and Authorizing Officials.

Preferred Qualifications

• Experience with NRO, DoD, or IC security programs and associated systems (DISS, Talon, Scattered Castles, SIMS).
• Familiarity with ICD 705 SCIF standards, ICDs 703/704/505, and Security Classification Guides.
• Willingness to travel on company business (less than 25%).

Benefits At Anduril, we invest in our people. Our comprehensive, competitive benefits package (available at little to no cost to employees) ensures you’re supported in health, recovery, and whatever comes next.