About this role
Basic Qualifications
Master's degree + minimum 6 years of relevant experience; or Bachelor's degree in a related specialized area or equivalent relevant experience + minimum 8 years of relevant experience.
Due to the nature of work performed within our facilities, U.S. citizenship is required.
Responsibilities for this Position
The IT Manager – Secure Mission Environments is responsible for planning, implementing, and maintaining secure IT systems that operate within regulated defense and government contracting environments. The role bridges day-to-day IT operations with compliance program obligations under CMMC, NIST SP 800-171, and CUI handling requirements. The incumbent will serve as the primary point of accountability for software/hardware asset management, system administration operations, system security, and regulatory readiness across enclave environments.
IT Operations & Software Asset Management
- Direct personnel management (6+ FTEs)
- Timecard management & direct charge compliance
- Coordinate with vendors and internal stakeholders for enclave management duties
- Hands-on System Administration duties as needed to cover for vacancies, PTO, etc.
- CUI Enclave Oversight
CMMC & NIST SP 800-171 Compliance
- Maintain and continuously improve the System Security Plan (SSP) in alignment with NIST SP 800-171 Rev 2/3 and CMMC Level 2/3 practices
- Track and remediate Plan of Action & Milestones (POA&M) items, ensuring timely closure prior to assessment windows
- Coordinate with the Assessor Organization (C3PAO or government assessor) for CMMC assessments; prepare evidence packages and conduct readiness reviews
- Implement access control, media protection, audit & accountability, and configuration management controls per CMMC practice families
- Conduct periodic self-assessments and gap analyses; maintain the SPRS score submission
IT Security & Infrastructure
- Manage endpoint security, patch management, and vulnerability remediation across unclassified enterprise environments
- Oversee identity and access management (IAM) policies, including MFA, least-privilege enforcement, and periodic access reviews
- Administer network segmentation between CUI-scoped and non-CUI environments; enforce boundary protection controls
- Coordinate incident response activities; maintain and test the Incident Response Plan (IRP)
- Evaluate and implement security tools, SIEM integrations, and automated compliance monitoring capabilities in coordination with SOC team
Stakeholder Engagement & Leadership
- Act as the primary IT admnistration and compliance liaison to senior leadership
- Brief leadership on compliance posture, risk exposure, and program impacts on a regular cadence
- Lead local cross-functional coordination between IT, Engineering, Finance, Legal, and Program Management on compliance-impacting decisions
- Mentor junior IT staff on security practices, tool administration, and compliance requirements
## Salary Note
This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.
## Combined Salary Range
USD $142,696.00 - USD $154,401.00 /Yr.
Company Overview
General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans