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Senior Network and Computer Systems Administrator

OSAAVA Services

Sep 12
Top Secret/SCI
Mid Level Career (5+ yrs experience)
$90,000 - $100,000
IT - Networking
Eglin AFB, FL (On-Site/Office)

Job Title: Senior Network and Computer Systems Administrator
Salary Range: $90,000 – $100,000
Start Date: ASAP
Clearance Required: Active TS/SCI

Any Travel: N/A
Shift work: N/A
Relocation Assistance: Not Available
Bonus/commission: Not applicable for this position
Application Instructions: Submit Deadline N/A

ZipRecruiter Note
Incomplete questionnaires or failure to upload a resume will automatically disqualify candidacy.



About OSAAVA Services:
OSAAVA Services is a mission-focused Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in cybersecurity and enterprise IT services. We support critical national defense programs and are committed to excellence, agility, and innovation in every engagement.

Benefits include:
• Medical, dental, vision insurance
• 401(k) with company match
• Paid time off (vacation, sick leave, holidays)
• Professional development support
• Life & disability insurance

Why OSAAVA:
• SDVOSB culture: We value mission, service, and integrity
• Competitive compensation & benefits
• Opportunities to grow with a fast-moving team supporting national security
• Work that makes a difference—every day

OSAAVA Services is an Equal Opportunity Employer. We encourage applications from all qualified individuals, including veterans and individuals with disabilities. If you need assistance or accommodations, please email: recruiting@osaavaservices.com.

Position Overview

We are seeking a highly skilled Senior Network and Computer Systems Administrator to join our team. The successful candidate will be responsible for managing, maintaining, and securing enterprise-level networks and systems that support critical operations. This role requires a seasoned professional with hands-on technical expertise, problem-solving abilities, and the ability to operate effectively in a fast-paced, mission-driven environment.

Key Responsibilities

Administer, configure, and maintain computer networks, servers, and enterprise systems.

Monitor network and system performance, ensuring optimal uptime and security.

Implement and manage system upgrades, patches, and security controls.

Troubleshoot complex network and system issues, providing Tier III support.

Manage Active Directory, group policies, and user account provisioning.

Maintain and optimize virtualization platforms (VMware, Hyper-V, etc.).

Develop and maintain documentation, including network diagrams and SOPs.

Support cybersecurity initiatives by applying DISA STIGs, vulnerability scans, and remediation.

Collaborate with cross-functional teams to ensure secure and efficient IT operations.

Required Qualifications

Active TS/SCI clearance (required).

Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).

7+ years of professional experience in system/network administration.

Strong background in Windows and Linux server administration.

Expertise with networking technologies (routers, switches, firewalls, VPNs).

Experience with virtualization and cloud-based environments.

Knowledge of DoD cybersecurity compliance requirements (e.g., RMF, STIGs).

Strong troubleshooting and problem-solving skills.

Preferred Qualifications

Relevant industry certifications (e.g., CompTIA Security+, CISSP, CCNA, MCSE, VMware).

Experience supporting classified environments.

Familiarity with automation and scripting (PowerShell, Python, Bash).

Experience with backup/recovery solutions and disaster recovery planning.
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Job Category
IT - Networking
Clearance Level
Top Secret/SCI