IT Cybersecurity Specialist 3

United Launch Alliance•Centennial, CO

About The Position

ULA is seeking a mid-level Information System Security Officer (ISSO) to provide comprehensive Risk Management Framework (RMF)/Authority to Operate (ATO) support and day-to-day Information Assurance (IA) for classified systems supporting Aerospace & Defense programs. In this role, you’ll steward system cybersecurity across its lifecycle—leading control implementation, continuous monitoring, POA&M management, and audit/readiness activities to achieve and maintain Authority to Operate (ATO) under DoD and IC policies. You’ll collaborate with program management, program engineering, IT ops, security leadership and program customers to ensure mission systems meet stringent confidentiality, integrity, and availability requirements.

Requirements

Active TS/SCI with CI Poly and ability to maintain eligibility. U.S. Citizenship required
Bachelor’s degree in Cybersecurity, Computer Science, or related field; equivalent experience considered
Four years of directly related exempt work experience may be used to satisfy the bachelor’s degree requirement
4+ years of IA/cybersecurity experience with 3+ years directly supporting RMF/ATO for DoD/IC systems
Current DoD 8570/8140 Tier II certification or higher
Hands-on experience with NIST SP 800-53, DoDI 8510.01, CNSSI 1253, JSIG/ICD 503, and STIG/SRG application
Proficiency in vulnerability and compliance tools: Tenable Nessus, SCAP, DISA STIG Viewer, log/monitoring, and familiarity with patch management
Experience developing and maintaining SSP, SAR/SAP, POA&M, and RMF evidence; strong technical writing skills
Knowledge of network security, Windows/Linux hardening, virtualization, endpoint protection, identity & access management, encryption/key management, and secure configuration baselines

Nice To Haves

Additional cybersecurity certifications (CAP, CEH, GSEC, GSLC)
Experience supporting Defense and Intelligence Community programs
Familiarity with secure cloud and hybrid environments (e.g., DoD Cloud SRG, IL2–IL6, GovCloud, IC ITE)
Prior involvement in customer-led cybersecurity inspections or assessments

Responsibilities

Execute and document all RMF activities across the full lifecycle in accordance with DoDI 8510.01, NIST SP 80053, CNSSI 1253, JSIG/ICD 503, and customer‑ specific‑ guidance.
Develop and maintain RMF artifacts including the SSP, SAP/SAR, POA&Ms, Contingency Plans, IR Plans, and related IA documentation.
Support ATO package preparation and submission using government customer RMF/IA tools for evidence upload, workflow tracking, and assessor interactions.
Implement, assess, and validate security controls; support control tailoring and inheritance strategies.
Perform continuous monitoring using government approved‑ compliance scanning tools: Vulnerability scanning tools STIG/SRG-based configuration validation Automated compliance assessments
Maintain system baselines, secure configurations, asset inventories, and IA-related change documentation.
Support audit readiness and assist with customer inspections, CCRI-type events, and periodic cybersecurity evaluations.
Track, manage, and drive closure of POA&Ms and risk items.
Provide day-to-day IA support for classified systems, including boundary analysis, system configuration reviews, and data handling oversight.
Support event detection and response activities using government customer log aggregation tools, ensuring accurate log capture, retention, and reporting.
Participate in incident response coordination with Contractor Program Security Officer (CPSO) in accordance with customer and organizational procedures.
Guide engineering and operations teams on secure design principles, system changes, and cybersecurity impacts.
Maintain risk tracking, document deviations and mitigations, and communicate system risk posture to IA leadership and stakeholders.
Support policy compliance, user training, secure handling, insider threat awareness, and governance activities.
Coordinate with AOs, SCAs, customer cybersecurity offices, and program security personnel.