Systems Administrator II; SD

Job#: 3046807

Job Description:

Apex Systems is currently seeking a Systems Administrator II to support a Department of Defense customer in San Diego, CA. This individual will be responsible for maintaining, securing, and optimizing enterprise IT systems and infrastructure in a highly secure environment. The ideal candidate will have hands‑on experience administering Active Directory, supporting Windows-based systems, managing DoD PKI credentials, and ensuring compliance with DISA STIG requirements.

Location: San Diego, CA (100% Onsite)

Duration: 6-Month Contract-to-Hire

Pay Rate: $36-$38/hr ($75,000-$80,000 annual equivalent)

Clearance Required: Active Secret Clearance

Certification

Required:

DoD 8570 IAT Level II

• Administer and maintain Microsoft Active Directory environments, including:
  • Active Directory Users and Computers (ADUC)
  • DNS
  • Group Policy Objects (GPO)
  • Windows Server Update Services (WSUS)
• Manage user accounts, security groups, permissions, and identity access controls.
• Support Public Key Infrastructure (PKI) operations, including CAC and DoD certificate management.
• Perform system maintenance activities including backups, recovery procedures, and file management.
• Install, configure, test, and maintain operating systems, software, and hardware upgrades.
• Troubleshoot and resolve system, software, hardware, and network-related issues.
• Monitor system performance and ensure overall availability and reliability.
• Support security and compliance initiatives through implementation and remediation of DISA STIG requirements.
• Assist with VPN, network, and email administration.
• Maintain documentation for system configurations, procedures, and operational support activities.
• Support licensing management, patching efforts, and backup solutions.

• Active Secret Clearance.
• IAT Level II Certification (one of the following):
  • CompTIA Security+
  • CySA+
  • SSCP
  • GSEC
  • GICSP
  • CCNA Security
• Bachelor's degree in Information Technology, Computer Science, or a related field (or equivalent experience).
• 3+ years of Systems Administration experience.
• Experience administering Windows Server environments.
• Strong Active Directory administration experience, including ADUC, DNS, GPO, and WSUS.
• Experience with system backups, recovery processes, and troubleshooting.
• Familiarity with DoD cybersecurity requirements and compliance standards.

• Experience supporting Navy, NIWC, or other DoD environments.
• Hands‑on experience with DoD PKI and CAC management.
• Experience implementing and remediating DISA STIGs.
• Knowledge of VPN administration, network infrastructure, and email systems.
• Experience with enterprise backup and security tools.

• Active Directory Administration
• Windows Server Administration
• DNS, GPO, WSUS
• PKI / CAC Management
• DISA STIG Compliance
• System Monitoring & Troubleshooting
• Backup & Recovery
• VPN & Network Administration
• Identity & Access Management
• Technical Documentation

Everforth Apex Benefits Overview:
Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a Support Linc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.

In terms of professional development, Everforth Apex hosts an on‑demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach.

You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well,…