Systems Administrator II (Domain and Server) (PTMG)

American Systems•Point Mugu NAWC, CA

17d

About The Position

The Systems Administrator II administers, maintains, configures, and supports Windows and Linux systems and related infrastructure services. The role supports secure, reliable operations through system setup, hardening, patching, software installation, monitoring, troubleshooting, and technical documentation. It also supports vulnerability remediation, operational reporting, and compliance activities, including system documentation and security control implementation. The position collaborates with network, cybersecurity, and support personnel to execute approved changes, resolve problems, and maintain accurate asset and configuration information. Candidates must be U.S. citizens, hold an active Secret clearance with the ability to obtain Top Secret with SCI eligibility or already hold an active Top Secret with SCI eligibility, and be subject to a federal background investigation.

Requirements

Must be a U.S. citizen.
3 to 5 years of systems administration experience, including hands-on support of server environments and enterprise infrastructure.
Current DoD 8570/8140 IAT Level II certification, such as Security+ CE, CySA+, SSCP, CND, GSEC, GICSP, or equivalent.
Strong technical knowledge of server administration, operating system configuration, patching, hardening, and infrastructure support in regulated environments.
Experience managing Microsoft infrastructure services such as Active Directory, DNS, DHCP, and Group Policy, where applicable.
Experience supporting system deployment, configuration, patching, software updates, backup and recovery operations, and vulnerability remediation.
Experience supporting virtualized server environments and related administration tasks, where applicable.
Working knowledge of cybersecurity and compliance frameworks, including NIST, FISMA, RMF, and DISA STIG requirements.
Experience maintaining technical documentation for system configurations, procedures, operational changes, troubleshooting, and compliance-related updates.
Strong troubleshooting skills, including diagnosing and resolving moderately complex system, hardware, and software issues.
Ability to work independently on assigned tasks while managing multiple priorities in a mission-focused IT environment.
Strong communication skills and ability to work effectively in a team-oriented environment.
Must hold an active Secret clearance with the ability to obtain Top Secret with SCI eligibility, or an active Top Secret with SCI eligibility.
Must undergo a federal background investigation.

Responsibilities

Administer and maintain server systems and supporting infrastructure to ensure availability, performance, and operational stability.
Deploy, set up, and configure systems, including operating system installation, hardware configuration, and initial software setup based on approved baselines.
Maintain, patch, harden, and update operating systems, applications, and approved software in accordance with security baselines and compliance requirements.
Install, configure, and update approved COTS and GOTS software and manage system updates across the environment.
Monitor system health and performance, identify bottlenecks, and support optimization of system resources.
Troubleshoot system, hardware, and software issues and respond to incidents to ensure timely resolution and continuity of operations.
Develop and maintain technical documentation covering system configurations, procedures, operational changes, troubleshooting, and compliance-related updates.
Support cybersecurity and compliance activities, including vulnerability remediation, implementation of approved security controls, and RMF-related documentation and system changes.
Provide operational reporting, including system status updates and patch/hotfix reporting as required.
Collaborate with network, cybersecurity, and support personnel to execute approved changes, resolve problems, and maintain accurate asset and configuration information.