Jr Network Administrator

How to use this kit

Ground every answer in facts on this page and the original listing. We never invent Glassdoor-style reviews or salaries that are not in our data.

Interview prep

Be ready to walk through how you would:

• Triage a slow or down network segment
• Verify backups and outline a simple recovery step
• Monitor consoles/metrics and decide when to escalate
• Document a change you made and why

Fit summary

A strong fit is someone early in networking who likes methodical troubleshooting, careful change control, and on-site work in Dahlgren supporting Centuria’s network environment—not pure remote desk work.

Day in the role

As a Jr Network Administrator at Centuria in Dahlgren, expect hands-on support of networks and related systems. A typical day may include:

• Maintaining hardware, systems software, apps, and configs
• Running backups and supporting disaster recovery
• Diagnosing and fixing network or system issues; swapping bad components
• Watching performance and access, and adjusting where needed
• Helping keep email and virus-protection tools configured and healthy

Skills to emphasize

Focus first on core admin skills reflected in the occupation profile: network and systems maintenance, backup/recovery, troubleshooting, performance monitoring, and basic email/antivirus configuration. No certification list or costs were provided for this posting.

FAQ from this listing

Is this role remote?

No. The listing is for on-site work in Dahlgren, VA (remote flag is off).

What kind of work does a junior network admin do?

Supporting and maintaining networks and systems—backups, troubleshooting, monitoring, and basic security tooling—under more senior guidance, per the Network Administrator profile.

Where can I read official task descriptions?

See O*NET’s Network and Computer Systems Administrators summary at onetonline.org.

Occupation tasks (O*NET)

Public-domain labor data — prepare examples for 2–3 of these.

• Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations.
• Perform data backups and disaster recovery operations.
• Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.
• Configure, monitor, and maintain email applications or virus protection software.
• Operate master consoles to monitor the performance of computer systems and networks and to coordinate computer network access and use.
• Monitor network performance to determine whether adjustments are needed and where changes will be needed in the future.
• Plan, coordinate, and implement network security measures to protect data, software, and hardware.
• Analyze equipment performance records to determine the need for repair or replacement.

O*NET source

Role overview (listing rewrite)

JOB TITLE: Jr Network AdministratorCOMPANY: CenturiaLOCATION: Dahlgren, VA About the Role The Jr. Network Administrator will support the Space Domain Awareness mission at 19 Space Defense Squadron (SDS) in Dahlgren, Virginia. This role is full-time and requires an on-site presence 24/7 to meet operational timelines. Manage communication data lines Administer technical services for maintaining and administration of those data lines Handle communication security (COMSEC) management Provide operational support to the facility Maintain connectivity between 19 SDS and its network of sensors in the Space Surveillance Network Manage COMSEC accounts and equipment Troubleshoot, diagnose, and restore data line connectivity during outages Respond to and apply updates to data lines and COMSEC equipment Coordinate with base infrastructure support Liaise with the Defense Information Systems Agency (DISA) on outages, upgrades, and future projects What You'll Do The Jr. Network Administrator will be responsible for maintaining the network infrastructure to ensure seamless communication between 19 SDS and its sensors in the Space Surveillance Network. This includes managing COMSEC accounts and equipment, troubleshooting and restoring data line connectivity during outages, responding to updates, coordinating with base support, and liaising with DISA on various projects. Requirements Candidate must have a TS/SCI clearance IAT II certification (CompTIA Security+) Knowledge of network administration, communication data lines, and COMSEC management Ability to work on-site 24/7 as required by the mission Strong problem-solving skills and ability to handle critical situations promptly More About Centuria Centuria, a Service-Disabled Veteran-Owned Small Business (SDVOSB), has been delivering IT, Engineering, and Scientific solutions to the Federal Government since 2002. Our team of experts takes pride in their work and is dedicated to maintaining the highest standards of service. Apply Today To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.

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Questions to ask them

• What does success look like in the first 90 days for this role?
• How is the team structured, and who would I work with most?
• What tools and systems does this role use daily?
• Is the work primarily based in Dahlgren, VA, hybrid, or fully remote?