Network Administrator (IMC00848)

This position will provide daily operational support for network infrastructure, monitoring tools, server systems, and cybersecurity compliance activities. This position requires a strong understanding of DoD network environments, switch maintenance, network monitoring platforms, vulnerability remediation, and technical documentation supporting network performance, availability, configuration management, and security compliance across enterprise systems.

Work Location: Onsite in Arlington, VA, Monday – Friday, 6am – 2:30pm; on call and outage response based upon the needs and direction of the customer.

Basic Required Qualifications and Skills:  Note: These are mandatory items that all candidates must have when submitting an application to IMC for this position. Please ensure that your submission addresses each of these requirement items. Candidates without these required elements will not be considered.

• High school diploma or equivalent.
• At start date, must possess an IAT level II certification in ACTIVE status.
  • DoD 8570/8140 compliant certification as required by the contract
• Experience with:
  • Supporting DoD or federal network environments.
  • Using Forescout for network visibility, device identification, or access control support.
  • Updating and maintaining network switches.
  • SolarWinds network monitoring and alert review.
  • DISA STIGs for network devices and Windows servers.
    • Supporting STIG implementation, validation, remediation, and documentation.
• Knowledge of:
  • Cisco DNA Center/DNAC.
  • Cisco switching, VLANs, trunking, port security, routing basics, and network troubleshooting.
  • Cybersecurity compliance, vulnerability remediation, and DoD security requirements.
• Ability to create and read technical documentation, network diagrams, and switch configurations 
• Pursuant to a government contract, this specific position requires U.S. Citizenship. 
• All applicants must have current DoD Secret clearance day one and prior to entry on duty, with the ability to pass a Tier 5 background investigation to up-scope their clearance to Top Secret.  

Desired Qualifications and Skills: It is desirable that the candidate have the following qualifications:

• Top Secret/SCI clearance.
• Experience with 
  • Cisco switches, routers, and enterprise network infrastructure.
  • Supporting SIPR/NIPR or similar DoD network environments.
  • Change management and incident response processes.
  • Creating technical reports, outage summaries, and network status updates.
  • Windows Server administration, patching, updates, and basic troubleshooting.
  • ACAS/Tenable, SCAP, eMASS, STIG Viewer, or vulnerability management tools.
  • Active Directory, DNS, DHCP, Group Policy, and Windows Server security settings.

Essential Duties and Responsibilities: This position will include, but is not limited to, the following tasks:

• Monitor, troubleshoot, and support enterprise network infrastructure within a DoD environment.
• Use SolarWinds to monitor network health, identify outages, review alerts, validate device status, and support network performance reporting.
• Support Cisco DNA Center/DNAC for network visibility, device management, troubleshooting, assurance, and operational monitoring.
• Use Forescout to support device visibility, endpoint identification, access control awareness, and network asset tracking.
• Update, configure, and maintain network switches, including firmware, IOS/software updates, configuration backups, and operational validation.
• Perform troubleshooting for network connectivity, VLANs, switch ports, routing issues, device reachability, and network performance problems.
• Support STIG compliance activities for network switches and Windows servers.
• Apply security hardening requirements in accordance with DoD STIGs, cybersecurity policies, and operational guidance.
• Maintain and update Windows servers, including patching, vulnerability remediation, security configuration, and system validation.
• Assist with vulnerability management, remediation tracking, scan review, and technical corrective actions.
• Document network changes, troubleshooting actions, system updates, and compliance activities.
• Support change management processes and ensure all updates are properly coordinated and approved.
• Work with network engineers, system administrators, cybersecurity personnel, ISSOs/ISSMs, and government stakeholders.
• Assist with maintaining accurate network diagrams, asset inventories, and technical records.
• Respond to network outages, alerts, performance issues, and operational incidents as required.
• Additional duties as required

Salary and Benefits Information: Please see the salary information listed at the beginning of this document, which is not a guarantee of compensation or salary. All salaries will be based on relevant experience, geographic location, and position and/or contractual requirements, which could fall outside of the listed range. 

Full-time positions at IMC are eligible to participate in any or all of the benefit programs offered, including 401(k) with a 3% employer match, paid time off, paid holidays, FSA spending, dental, vision, health insurance, company-sponsored AD&D, and life insurance. Additional voluntary benefits are offered, such as voluntary life, AD&D, accident, critical illness, hospital, and pet insurance. Benefits are subject to change.  Positions at IMC may also be eligible for a bonus and/or other incentives.

For more information about IMC’s benefits, please visit our website at https://www.imcva.com/about-imc/careers