Clear Align, a trusted provider of technology solutions to the U.S. Department of Defense, is seeking a seasoned Systems Administrator with a strong background in IT infrastructure, cybersecurity, and government compliance standards. This role is critical in maintaining secure, reliable systems and ensuring strict adherence to frameworks such as NIST SP 800-171, CMMC 2.0, DFARS 252.204-7012, and ITAR.
The ideal candidate will have deep technical knowledge, hands-on experience in both Windows and Linux environments, and a proactive, detail-oriented approach to cybersecurity controls and compliance. You’ll collaborate with our internal cybersecurity team and external assessors to support audit readiness and secure defense-related operations.
Essential Duties & Responsibilities
Compliance & Cybersecurity (Primary Focus)
- Implement and maintain technical controls aligned with NIST 800-171, CMMC Level 2, and DFARS requirements.
- Ensure security protections for Controlled Unclassified Information (CUI), in accordance with ITAR and DoD contract obligations.
- Support the creation and maintenance of System Security Plans (SSPs), POA&Ms, and other compliance documentation.
- Assist in internal assessments, gap analysis, incident response, and risk remediation.
- Work closely with ISSM/ISSO to support RMF documentation and policies.
Systems Administration
- Administer and maintain Microsoft Windows Server (2016/2019/2022), Linux systems, and hybrid AD environments.
- Manage user accounts, permissions, and Group Policy within Active Directory.
- Maintain and optimize VMware or Hyper-V virtualization infrastructure.
- Apply regular security patches and OS updates in line with vulnerability management processes.
Networking & Infrastructure
- Support configuration and hardening of network devices (e.g., firewalls, switches) in coordination with network engineers.
- Maintain secure remote access solutions, including VPNs and multifactor authentication (MFA).
- Monitor system performance, availability, and logs for anomalies or threats.
Security Tools & Monitoring
- Maintain and monitor endpoint protection, SIEMs, vulnerability scanners (e.g., Tenable, Qualys), and DLP solutions.
- Support log collection and correlation from key systems for audit and investigation purposes.
Documentation & Change Control
- Maintain up-to-date technical documentation, diagrams, change logs, and support runbooks.
- Follow formal change management and configuration control processes.
- Assist in preparing evidence and documentation for DoD audits, DIBCAC assessments, or C3PAO reviews.
Position Requirements
- 5+ years’ experience in System Administration or equivalent position
- Hands-on experience implementing or supporting NIST 800-171 or CMMC Level 2 technical requirements.
- Strong proficiency with Windows Server, Active Directory, Group Policy, DNS/DHCP, and Linux (RHEL, CentOS, Ubuntu).
- Familiarity with virtualization platforms (e.g., VMware vSphere, Hyper-V).
- Experience with security tools such as SIEMs, vulnerability scanners, and endpoint protection platforms.
- Familiarity with documentation and workflows for ITAR and DFARS 252.204-7012 compliance.
- Certifications such as Security+, CISSP, CySA+, CASP+, MCSA, Microsoft AZ-104, or RHCSA.
- U.S. Citizenship required due to ITAR and DoD contract requirements.
- Must pass background investigation and pre-employment screening.
- On-call availability and after-hours support may be required during maintenance or incident response.