Senior Systems Administrator: RMF & DoD Cyber Lead

Saalex Corp.; Camarillo (CA); On-site; USD 150,000 - 175,000; Full time

Benefits offered by this job

Health insurance

401k Retirement plan

Life insurance

Paid time off

Disability (short/long-term)

Training & development

Wellness resources

Stock option plan

Job summary

Saalex seeks a Senior System Administrator to serve as a senior technical resource for DoD-focused systems across Windows and UNIX/Linux environments at NAS Point Mugu, CA. The role emphasizes RMF support, cybersecurity compliance, and accreditation package management.

The candidate will lead vulnerability remediation, patching, and configuration management while mentoring junior staff and coordinating with IA personnel and government customers. Onsite work at NAS Point Mugu is required.

Qualifications

• Minimum of 10 years of systems administration experience supporting complex Windows and/or UNIX/Linux environments.
• CompTIA Security+ or equivalent DoD-approved Information Assurance certification required.
• Experience implementing and maintaining cybersecurity controls, system hardening, patch management, STIG compliance, and vulnerability remediation.
• Experience supporting RMF, ATO, continuous monitoring, and enterprise cybersecurity requirements.
• Experience with Configuration Control Boards (CCBs), change management processes, and configuration management documentation.
• Strong troubleshooting, analytical, organizational, and communication skills.
• Demonstrated ability to lead technical efforts and mentor junior personnel.

Responsibilities

• Lead administration, maintenance, and sustainment of Windows and UNIX/Linux systems supporting mission operations.
• Serve as a senior technical advisor for RMF, cybersecurity compliance, and system authorization efforts.
• Lead preparation, maintenance, and submission of accreditation packages and RMF documentation.
• Implement and oversee security controls, STIG compliance, vulnerability remediation, and continuous monitoring activities.
• Review, analyze, and remediate ACAS findings, audit logs, and cybersecurity vulnerabilities.
• Lead patch management efforts, security updates, and operating system lifecycle activities.
• Manage system resources including availability, capacity, performance, and disaster recovery readiness.
• Support planning, installation, testing, and deployment of new hardware, software, and OS upgrades.
• Lead development of system documentation, SOPs, architecture diagrams, inventories, and configuration baselines.
• Serve as a voting member and technical contributor to Configuration Control Boards (CCBs) and change management activities.
• Review and approve technical changes to ensure compliance with system security and configuration management requirements.
• Coordinate with IA personnel, engineers, system owners, and government customers.
• Provide technical leadership, mentoring, and guidance to junior administrators and technical staff.
• Support cybersecurity inspections, audits, security assessments, and compliance reviews.
• Participate in enterprise IA initiatives supporting department-wide cybersecurity requirements.
• Provide training and knowledge transfer to technical teams and end users as required.
• Other duties as assigned or required.

Skills

System administration

RMF compliance

Cybersecurity

Leadership

Mentoring

Troubleshooting

Communication

Education

High School Diploma or GED

Tools

ACAS

eMASS

SCCM

Tenable

Job description

Saalex seeks a Senior System Administrator to serve as a senior technical resource for DoD-focused systems across Windows and UNIX/Linux environments at NAS Point Mugu, CA. The role emphasizes RMF support, cybersecurity compliance, and accreditation package management.

The candidate will lead vulnerability remediation, patching, and configuration management while mentoring junior staff and coordinating with IA personnel and government customers. Onsite work at NAS Point Mugu is required.