Senior Network And Computer Systems Administrator

Marathon TSPortsmouth, VA

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Overview

Remote

On-site

Job Description

Senior Network and Computer Systems Administrator Portsmouth, VA Job Summary We are seeking a Senior Network and Computer Systems Administrator is responsible for the design, implementation, and maintenance of enterprise network and server infrastructure to ensure secure, reliable, and high-performance IT operations. This role combines advanced networking expertise with comprehensive systems administration skills to support mission-critical environments. Responsibilities

Configure, monitor, and troubleshoot routers, switches, firewalls, and VPNs.
Manage network performance, capacity planning, and QoS policies.
Implement and maintain network security measures (ACLs, IDS/IPS, STIG compliance).
Perform firmware upgrades, patching, and vulnerability remediation.
Support disaster recovery and business continuity planning.
Document network architecture, configurations, and change management processes.

Education and Experience

Bachelor's degree in IT, Computer Science, or related field.
10+ years of experience in enterprise networking.

Required Skills

Strong knowledge of TCP/IP, VLANs, routing protocols (OSPF, BGP), and network monitoring tools.

Security Clearance

U.S Citizen
Active Top Secret (T5)

#cjjobs Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status ").

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FAQs About Senior Network And Computer Systems Administrator Jobs at Marathon TS

What is the work location for this position at Marathon TS?

This job at Marathon TS is located in Portsmouth, VA, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at Marathon TS?

Employer has not shared pay details for this role.

What employment applies to this position at Marathon TS?

The employer has not provided this information. This may be discussed during the hiring process.

What is the process to apply for this position at Marathon TS?

You can apply for this role at Marathon TS either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.