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Systems Administrator II (SD)
Apex SystemsSan Diego, CA🇺🇸United StatesPosted 18 Aug 2026
Why This Role Stands Out
Advance your IT career by maintaining and optimizing critical enterprise systems within a highly secure Department of Defense environment, offering a competitive hourly rate. This on-site role is perfect for a mid-senior Systems Administrator with experience in Active Directory and DoD compliance, providing valuable skills development and a clear path for growth. You'll be instrumental in ensuring system integrity and security, making this an impactful opportunity to apply your expertise.
Quick Overview
Salary
$36 - $38/hr
Work Type
On Site
Level
Mid Senior
Job Description
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.
If interested, please forward resume + certifications to Rich at
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
Responsibilities
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
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 SupportLinc 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, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
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.
If interested, please forward resume + certifications to Rich at
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
Responsibilities
- 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 is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
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 SupportLinc 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, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
Skills
401k
Active Directory
Compliance
DNS
PKI
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