Systems Administrator 3

Data Intelligence LLC is seeking a highly skilled Systems Administrtor 3 to support the United States Marine Corps in Quantico, VA. The ideal candidate will bring a strong leadership background, technical expertise in network administration, and a proven track record of managing senior IT technicians within complex, mission-critical environments.

Responsibilities:

• Lead and oversee a team of senior IT technicians supporting local and wide-area network (LAN/WAN) operations within a secure military environment.
• Design, implement, maintain, and troubleshoot network infrastructure, ensuring high availability and security compliance.
• Serve as a technical authority for network performance analysis, configuration, and optimization.
• Maintain and update network documentation, diagrams, and procedures.
• Implement cybersecurity best practices and ensure alignment with DoD and USMC security policies.
• Coordinate with other IT functional areas, contractors, and Marine Corps leadership to support mission objectives.
• Manage virtualization environments (e.g., VMware) and Microsoft-based desktop and server systems.
• Provide tier-3 level support and mentoring to junior and mid-level technicians.

Required Qualifications:

Experience:

• Minimum of 5 years of demonstrated experience leading senior IT technicians in a local IT network environment, preferably in a DoD or federal agency setting.

Certifications (Must hold or be able to obtain prior to start):

IAT Level II compliant certifications (one or more):

• Security CE, CCNA-Security, CySA , GSEC, CND, SSCP

Additional Preferred Certifications:

• ITIL v4 Foundation
• Microsoft Certified Desktop Support Technician (MCDST)
• VMware Certified Professional (VCP)
• CompTIA Network , A
• Cisco Certified Network Associate (CCNA)
• Juniper Networks Certified Internet Associate (JNCIA)
• Windows OS Certifications

Clearance:

• Secret Clearance required on day one.

Desired Skills:

• In-depth knowledge of Windows OS, networking protocols, routing/switching, virtualization, and secure systems management.
• Familiarity with DoD/USMC network operations, policies, and environments.
• Ability to effectively communicate with technical and non-technical stakeholders.
• Strong problem-solving, organizational, and leadership skills.

Why Join Data Intelligence, LLC:

Join a mission-driven team where your cybersecurity expertise directly supports U.S. national security. At Data Intelligence, LLC, we offer competitive compensation, a collaborative culture, and the opportunity to work alongside top talent in support of our country’s most critical operations.

Data Intelligence, LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.