Information Systems Security Office, Government Programs

Slingshot Aerospace

3d • $110,000 - $175,000 • Hybrid

About The Position

As an Information Systems Security Officer (ISSO), you will play a critical role in protecting the systems and environments that support Slingshot's defense and intelligence missions. You'll help drive security, compliance, and accreditation efforts across cleared and regulated programs, partnering with engineering, IT, compliance, subcontractors, and government stakeholders to ensure our systems remain secure, compliant, and mission ready. This role sits at the intersection of cybersecurity, compliance, operations, and mission execution—supporting Authority to Operate (ATO) efforts, continuous monitoring activities, and secure system operations across DoD and Intelligence Community environments.

Requirements

• Active Secret clearance required; TS/SCI preferred.
• U.S. Citizenship required.
• 5+ years of experience supporting cybersecurity, information assurance, or compliance programs within DoD, Intelligence Community, or federal contractor environments.
• Experience supporting RMF accreditation activities and maintaining ATO packages in regulated or classified environments.
• Working knowledge of NIST 800-171, NIST 800-53, CMMC 2.0, and DoD RMF requirements.
• Experience performing vulnerability management, audit support, and continuous monitoring activities.
• Familiarity with DISA STIGs, security control implementation, and enclave operations.
• Strong communication skills with the ability to collaborate across engineering teams, government stakeholders, and external partners.
• Ability to manage multiple priorities in fast-paced, mission-focused environments.
• Security certification such as Security+, CISSP, CAP, or equivalent.

Nice To Haves

• Active TS/SCI clearance.
• Bachelor's degree in Cybersecurity, Information Systems, Computer Science, or related discipline.
• Experience with Governance, Risk, and Compliance (GRC) and ATO management tools.
• Experience supporting classified environments and secure enclave operations.
• Familiarity with FedRAMP, Zero Trust architectures, and Executive Order 14028 compliance initiatives.
• Knowledge of CNSSI 1253 requirements.
• Experience supporting audits, incident response, and cyber risk management programs.
• Hands-on experience with vulnerability scanning and compliance tooling.
• Advanced certifications such as CISSP, CISM, CAP, GSLC, or equivalent.
• Experience supporting aerospace, defense, or intelligence community programs.

Responsibilities

• Support the development, maintenance, and execution of Authority to Operate (ATO) packages, including SSPs, POAMs, SARs, and supporting RMF artifacts.
• Assist with implementation and enforcement of security controls aligned to NIST 800-171, NIST 800-53, CMMC 2.0, FedRAMP, and DoD RMF requirements.
• Maintain system security documentation, accreditation records, and configuration management artifacts.
• Work closely with government ISSMs, customers, subcontractors, and prime contractors to support accreditation posture and operational readiness.
• Monitor systems for compliance with security policies, classification handling requirements, access controls, and boundary protections.
• Conduct periodic security assessments, control reviews, and continuous monitoring activities.
• Identify compliance risks, security gaps, and operational concerns, providing leadership with actionable mitigation recommendations.
• Support incident response activities, root cause investigations, and corrective action tracking.
• Coordinate vulnerability management efforts, including STIG reviews, remediation tracking, patch validation, and audit evidence collection.
• Support secure enclave operations and ensure classified systems remain compliant with customer and government requirements.
• Assist with supply chain and vendor security reviews, including SBOM tracking and compliance validation.
• Support secure operations across mission-critical systems within defense and intelligence environments.
• Partner with Engineering teams to embed secure-by-design principles throughout system development and deployment lifecycles.
• Collaborate with IT and Cybersecurity teams to ensure program controls align with enterprise security controls and policies.
• Support internal and external audits, inspections, assessments, and security reviews.
• Contribute to cybersecurity awareness and compliance training for users and technical teams.

Benefits

• Equity, Diversity & Inclusion are key to our success. We are an Equal Opportunity Employer and our employees are people with different strengths, experiences, and backgrounds, who share a passion for creating a safer, more connected world. Diversity not only includes race and gender identity, but also national origin, citizenship, sex, color, veteran status, disability, genetic information, or any other protected characteristic that is part of one’s identity. All of our employees’ points of view are key to our success, and we embrace individuality.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior