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Network Administrator III

Sayres Defense
Jacksonville, FL Other
POSTED ON 8/16/2025 CLOSED ON 12/29/2025

What are the responsibilities and job description for the Network Administrator III position at Sayres Defense?

Overview: 

The Network Administrator is responsible for the daily administration, maintenance, and optimization of a network and server environment. This role supports the stability, integrity, and efficient operation of IT systems and infrastructure by implementing and managing software and hardware solutions.

Key Responsibilities:

  • Administer daily operations and maintenance of network and server systems.
  • Install, configure, and maintain system software, including operating systems and enterprise applications.
  • Monitor network performance to ensure system availability and reliability.
  • Troubleshoot and resolve hardware, software, and network issues in a timely manner.
  • Plan and execute system upgrades, patches, and installation of new applications and equipment.
  • Develop, implement, and maintain disaster recovery, data backup, and system restore procedures.
  • Ensure the security of systems and networks by applying appropriate controls and policies.
  • Evaluate and recommend new technologies and tools to enhance system efficiency and performance.
  • Collaborate with cross-functional teams while contributing independently to moderately complex projects.

Qualifications:

  • Bachelor's degree in computer science, Information Technology, or a related field.
  • 4 to 7 years of experience in network/server administration or a similar role.
  • Network Administrator certification may be required or preferred (e.g., CompTIA Network , Cisco CCNA).
  • Proven ability to work independently and collaboratively in a team-oriented environment.
  • Strong problem-solving and analytical skills with attention to detail.
  • Secret Clearance

Benefits: Sayres Defense offers a competitive benefits package including medical, dental, and vision insurance, retirement plan options, paid time off, and additional employee support programs. Eligibility and specific offerings may vary based on position, location, and other factors.

The position description is only meant to be a representative summary of the major responsibilities and accountabilities performed by the incumbents of this position. The incumbents may be requested to perform position-related tasks other than those stated in this description. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, gender identity, disability or veteran status.

At Sayres, our employees enjoy an atmosphere conducive to realizing their potential through personal and professional development while simultaneously exceeding customers' expectations. We offer a broad spectrum of technical, engineering and administrative services including acquisition, financial and program management; fleet synthetic training; logistics; ship construction engineering; systems engineering and integration; wargaming; test and evaluation; security, counterintelligence and policy analysis.

Sayres is headquartered in Washington, DC with offices throughout the United States and has a presence abroad.

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Salary : $50,000 - $170,000

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