Network Administrator - Senior (SMDC)

Data Systems Analysts, Inc.; Huntsville (TN); On-site; USD 90,000 - 120,000; Full time

Job summary

Data Systems Analysts, Inc. seeks a Senior Network Administrator in Huntsville, AL to plan, configure, maintain, and secure complex DoD network systems including routers, switches, and encryption devices, ensuring compliance with security standards for mission operations at Redstone Arsenal.

The role requires extensive DoD environment experience, DoD 8140/8570 privileged access certifications, and a Secret clearance.

Qualifications

• Experience designing, configuring, maintaining, and troubleshooting complex network systems (ROUTERS, SWITCHES, encryption devices).
• Proficiency with enterprise security architectures and compliance with DISA STIGs.
• Active DoD security environment experience with WAN/LAN support and system testing.

Responsibilities

• Plan, design, configure, maintain, and troubleshoot network systems to ensure operational functionality, availability, and reliability.
• Implement and maintain network security measures, update critical devices, and ensure compliance with DoD and Army cybersecurity standards.
• Conduct network and systems performance analysis, identify problem areas, and recommend corrective actions.
• Maintain accurate documentation of network physical layers and support configuration management processes.
• Provide urgent circuit, network, and equipment troubleshooting, and support WAN/LAN expansion and optimization.
• Collaborate with government personnel and other contractors to support mission‑critical operations and ensure continuous network support

Skills

AI in job context

Network planning & troubleshooting

DoD network security

WAN/LAN support

Documentation & CM

DoD 8140/8570

Education

Security+ Certification

Tools

Cisco networking technologies

Encryption devices

DISA STIGs

Job description

All hired employees are expected to have experience with Microsoft Copilot and / or an approved equivalent AI solution.

Description

Data Systems Analysts, Inc. has an opening for a Senior Network Administrator in Huntsville, AL. This role supports the U.S. Army Space and Missile Defense Command by planning, configuring, maintaining, and securing complex network systems—including routers, switches, and encryption devices—ensuring compliance with DoD security standards and providing critical network support for mission operations at Redstone Arsenal.

Required Qualifications

• Must have familiarity with and an understanding of how to use AI in the context of their job.
• Demonstrated expertise in planning, designing, configuring, maintaining, and troubleshooting complex network systems (including routers, switches, encryption devices, and network cabling infrastructure).
• Proficiency in implementing and maintaining enterprise security architectures and ensuring compliance with Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs).
• Experience with Wide Area Network (WAN) and Local Area Network (LAN) support, including evaluating topologies, installing hardware/software, and performing system testing.
• Strong documentation and configuration management skills, including maintaining accurate records and supporting configuration management processes.
• Required computing environment certifications and compliance with DoD 8140/8570 requirements for privileged network access.
• Should have at least 8-years experience performing Network Administration in DoD environments on mid-sized to major warfighter programs.
• Must hold current Security + Certification and relevant computing environment certifications to comply with DoD 8140/8570 requirements for privileged network access.

Clearance Required

• Minimum of an active Secret security clearance.

Desired Qualifications

• Experience supporting Department of Defense (DoD) or Army IT environments.
• Familiarity with virtualization, cloud computing, and Cisco networking technologies.
• Knowledge of Army Regulation (AR) 25-1 and DA PAM 25-1-1 for IT operations.
• Experience with configuration management boards (CCB) and technical review boards (TRB).
• Additional certifications in network security, cloud, or advanced networking technologies.

Key Responsibilities

• Plan, design, configure, maintain, and troubleshoot network systems to ensure operational functionality, availability, and reliability.
• Implement and maintain network security measures, update critical devices, and ensure compliance with DoD and Army cybersecurity standards.
• Conduct network and systems performance analysis, identify problem areas, and recommend corrective actions.
• Maintain accurate documentation of network physical layers and support configuration management processes.
• Provide urgent circuit, network, and equipment troubleshooting, and support WAN/LAN expansion and optimization.
• Collaborate with government personnel and other contractors to support mission‑critical operations and ensure continuous network support

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Many of DSA’s positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. DSA is proud to be an Equal Opportunity Employer. DSA is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status. DSA requires background checks , where permitted , by law. DSA is an E-Verify Employer.