Network Specialist III

americansystems· IT / Cyber Security / Network Systems
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📍 Manassas, VA, USFULL TIME💰 USD 125K–165K/yr

About this role

Overview

Now Hiring at AMERICAN SYSTEMS

 

Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development. 

 

Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success. 

Responsibilities

An Average Day:As the Network Specialist III you will focus on the operational support, maintenance, and optimization of network infrastructure within data centers. You will be involved in monitoring network performance, troubleshooting complex issues, and ensuring the stability and security of CISCO-based networks. You will work closely with technical teams to maintain network compliance with federal security standards, handle escalations, and provide expert guidance on resolving critical incidents. In this role you will execute efficient day-to-day management of network systems, supporting both domestic and international network operations. Additionally, in this role you will:

  • Monitor and maintain network infrastructure to ensure optimal performance and uptime, including troubleshooting and resolving complex issues.
  • Perform regular maintenance tasks such as network updates, patches, and firmware upgrades within CISCO environments.
  • Lead the troubleshooting of routing, switching, and connectivity issues across the network, ensuring minimal downtime.
  • Oversee the implementation of security measures such as firewalls, VPNs, and intrusion detection systems to maintain network security.
  • Respond to and resolve escalated network issues, ensuring efficient incident management and reporting.
  • Collaborate with security and compliance teams to ensure network operations meet federal security standards and requirements.
  • Provide expert technical support to junior engineers, assisting with routine network tasks and escalated problems.
  • Maintain detailed documentation of network configurations, incident responses, and operational procedures.
  • Monitor network traffic and performance using tools like SolarWinds, Cisco Prime, or Wireshark, identifying areas for improvement.
  • Support the integration of new network equipment and technologies into the existing infrastructure as part of ongoing upgrades or expansions.
  • Travel may be required to provide operational support for domestic and international network operations.

Qualifications

  • As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C), we will not consider candidates for this position who do not meet the aforementioned conditions.
  • 7+ years of experience in network operations and maintenance, with expertise in CISCO environments.
  • Must have an active Secret clearance with the ability to obtain a Top Secret with SCI eligibility or have an active Top Secret with SCI eligibility.
  • Will be subject to a federal background investigation.
  • Must hold a current 8570/8140 IAT Level II Certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
  • Strong hands-on experience with troubleshooting and maintaining OSPF, BGP, and EIGRP routing protocols.
  • Advanced knowledge of VLANs, spanning tree protocol (STP), and network segmentation.
  • Proficiency with network monitoring and diagnostic tools such as Wireshark, SolarWinds, or Cisco Prime for real-time analysis and troubleshooting.
  • Experience with network security protocols, including IPSec VPNs, access control lists (ACLs), and 802.1X authentication.
  • In-depth knowledge of Cisco IOS and NX-OS operating systems for system maintenance, updates, and troubleshooting.
  • Familiarity with implementing and maintaining Quality of Service (QoS) to ensure network performance.
  • Ability to support routine integration and management of firewalls and intrusion detection/prevention systems (IDS/IPS) within operational networks.
  • Excellent problem-solving skills with a strong focus on network reliability and incident resolution.
  • Proven ability to lead and mentor junior engineers in network operations and troubleshooting.
  • Effective communication skills, with the ability to work closely with cross-functional teams and stakeholders.
  • Must be able to travel regularly, both domestically and internationally, international travel will require a current US Passport.

Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $125,000.00/Yr. - USD $165,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

EEO Statement

EEO Race/Sex/Disability Status/Veteran Status

Frequently Asked Questions

What is the salary for the Network Specialist III role at americansystems?
The listed salary for this Network Specialist III position at americansystems is USD 125K–165K/yr. This is an FULL TIME role.
Where is the Network Specialist III position at americansystems located?
This Network Specialist III role at americansystems is based in Manassas, VA, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Network Specialist III role at americansystems full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Network Specialist III role in the IT / Cyber Security / Network Systems department at americansystems.
Which team or department does the Network Specialist III at americansystems belong to?
This Network Specialist III position is part of the IT / Cyber Security / Network Systems department at americansystems. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Network Specialist III position at americansystems?
Click the "Apply Now" button on this page. You will be redirected to americansystems's official application portal hosted on icims where you can submit your application directly.
When was the Network Specialist III job at americansystems posted?
This Network Specialist III position at americansystems was posted on May 21, 2026. Apply as soon as possible — early applications are often reviewed first.
Network Specialist III
americansystems · 💰 USD 125K–165K/yr
Apply for this role ↗

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