Sr. Network Administrator Security Clearance

Position: Sr. Network Administrator with Security Clearance
Job #: 3046673 Apex Systems is seeking a Sr. Network Administrator to join one of our government clients in Alexandria, VA. Project Details / Mission Supported:
Join our team to maintain and enhance secure, reliable, and high‑performance network services that enable the customer’s critical mission operations.

Key Responsibilities

• Work closely with senior network engineers, system administrators, and security teams to troubleshoot issues, resolve incidents, and implement network changes in a collaborative team environment.

• Participate in network design discussions and deployments, supporting equipment setup, cabling, fiber work, and physical infrastructure buildouts while adhering to established standards and best practices.

• Support Cisco ISE and DNA Center (DNA

C) to manage network access control, policy based automation, and assurance in a fast paced environment.

• Implement and manage VLANs, routing policies, access control rules, and network segmentation to support secure, scalable, and logically separated environments.

• Assist in maintaining secure network environments by enforcing firewall rules, VPN configurations, network access control policies, and security best practices in support of compliance and cyber defense objectives.

• Utilize full scope of technical and interpersonal skills to further the mission.

Required Qualifications

• 3+ years of overall experience and a High School diploma. Other level of degrees will be accepted with correlating years of experience.

• Sec+ certification and CCNA

• Experience with Cisco ISE

• Cisco network administration experience

Location:

Alexandria, VA
Clearance Level: TS/SCI Salary/Pay range: $55-65/hr

PLEASE NOTE:

Candidates must be able to obtain and/or maintain a Department of Defense TS/SCI clearance as a condition and continuation of employment
* If you are interested, please apply here or email an updated copy of your resume to . Apex Systems Military & Veteran Programs
At Apex Systems, we are proud to support those who serve.

Our commitment to the military community is reflected in our robust veteran hiring initiatives, military-friendly workplace policies, and nationally recognized programs. We value the leadership, discipline, and mission-first mindset that military professionals bring to our team. Join us in continuing your mission. Why Apex is a Top Choice for Veterans and Military Talent:

• Military-Friendly

Employer:

Recognized as a Military Friendly® Employer for multiple consecutive years.

• Transition Programs:
DoD Skill Bridge program with multiple pathway options.

• Veteran Hiring Commitment:
We actively partner with multiple veteran and military organizations that specialize in IT upskilling and certification training, helping service members and veterans transition into high-demand tech careers

• Apex Military Network:
Internal employee resource group supporting veterans, Guard/Reserve members, and their families. Apex Benefits Overview
Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a Support Linc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.

In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach.

You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide. EEO Employer
Apex…