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Sr. Network System Admin

ITC Federal

Today
Public Trust
Unspecified
Unspecified
IT - Hardware
VA (On-Site/Office)

Overview

JOB TITLE: Sr. Network System Admin

POSITION INFORMATION: Full-Time

FLSA STATUS: Exempt

LOCATION: Remote

CLEARANCE REQUIREMENTS: Ability to obtain a DHS Public Trust

BENEFITS: Health, Dental and Vision, 401(k), Paid Federal Holidays, PTO, Education Reimbursement

ITC Federal, LLC is an information technology and consulting company focused on servicing the needs of the Federal Government. ITC's mission is to apply earned expertise in information technology and information assurance/security to assist this client in achieving its mission. ITC is located in Fairfax, VA and offers outstanding compensation and benefits plan and a challenging and rewarding professional work environment.

ITC Federal is seeking a Senior Network Systems Administrator to support the design, implementation, maintenance, and optimization of enterprise network and system infrastructures for a large federal program. This role combines hands-on network administration with systems management, ensuring the reliability, security, and performance of critical IT services.

The Senior Administrator will work as part of a high-performing team to manage network and server resources, troubleshoot complex issues, and ensure systems meet operational, security, and mission requirements.

Responsibilities

  • Administer, configure, and maintain enterprise network infrastructure including routers, switches, firewalls, VPNs, and wireless solutions (primarily Cisco environments).
  • Install, configure, and maintain servers, virtualization platforms (VMware/Hyper-V), and storage systems in both on-premises and cloud environments.
  • Monitor network and systems performance, implement tuning adjustments, and conduct routine maintenance to ensure high availability and efficiency.
  • Troubleshoot and resolve complex network, server, and security issues at Tier III/IV support levels.
  • Manage Active Directory, DNS, DHCP, Group Policy, and enterprise authentication services.
  • Apply patches, updates, and system hardening to maintain compliance with federal security standards (FISMA, NIST, etc.).
  • Develop and maintain documentation including network diagrams, system configurations, and operational procedures.
  • Collaborate with cross-functional teams including cybersecurity, engineering, and program management to support mission objectives.
  • Assist with the planning and execution of network/system upgrades, migrations, and other infrastructure projects.
  • Ensure network and system security through proactive monitoring and response to potential threats and vulnerabilities.


Qualifications

  • Bachelor's degree in Computer Science, Information Systems, or related field (or equivalent experience).
  • 6+ years of experience in network and systems administration within enterprise environments.
  • Strong hands-on experience with Cisco networking technologies (switching, routing, firewalls, VPN, wireless).


ITC Federal is an equal opportunity/affirmative action employer and will not discriminate against any application for employment on the basis of age, race, color, gender, national origin, religion, creed, disability, veteran status, marital status, sexual orientation, genetic information, military status, disability, or sex including pregnancy and childbirth or related medical condition or on any other basis prohibited by law.
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Job Category
IT - Hardware
Clearance Level
Public Trust
Employer
ITC Federal