Demo

Sr Network Engineer

Computer Merchant, Ltd., The
Lorton, VA Full Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 5/17/2026
JOB TITLE: SR NETWORK ENGINEER (SME)
JOB LOCATION: LORTON, VA
WAGE RANGE*: 92.00-96.00 PER HOUR
JOB NUMBER: SAIJP00038678

**ship is Required**

REQUIRED EXPERIENCE:
  • Bachelor's degree with 12 years of experience or a Masters degree with 10 years experience. High school diploma with 4 years experience may be considered in lieu of a degree.
  • Candidate selected will be subject to a Government Public Trust security investigation and must meet eligibility requirements for access to the customer's information.
    • Current clearance is not required, but selected individual cannot start the assignment until the required security clearance is granted by the customer.
  • Subject Matter Expert on Juniper network infrastructure
  • Extensive experience in providing O&M support to complex, mission-critical systems
  • Extensive experience on designing, implementing and configuring network infrastructure
  • Extensive Experience working independently and collaboratively to troubleshoot and correct operational issues
  • Working closely with customers and users to troubleshoot and resolve complex user issues
  • Ability to brief customer to include senior management
  • Extensive experience configuring, designing, implementing and troubleshooting with following technologies:
    • Juniper SRX-series branch routers

JOB DESCRIPTION
  • Learn a new Government system and become the single Subject Matter Expert for all systems issues.
  • Independently provide network engineering operations and maintenance (O&M) support for a mission-critical government system; support the system as the SME on the team, requiring broad and deep knowledge across the applicable technologies
  • Juniper SRX-series security devices, certified at the JNCIP-SEC or JNCIE-SEC levels; ensure configurations consistent with industry best practices & FISMA; implement defense-in-depth methodology by using appropriate firewall rules, security policies and other IS-consistent configurations; monitor pre-shared key (PSK) and AutoVPN virtual private network (VPN) links; implement high availability (HA) configurations as needed
  • Juniper EX-series switches using 1Gbps & 10Gbps backplanes; implement connectivity with Juniper & other vendor technologies using copper & fiber; implement high availability (HA) as needed
  • Cisco Firepower ASA firewalls using AnyConnect for client VPN access; implement high availability (HA) as needed; ensure connectivity to backend authentication services; ensure secure configuration for remote network & network resource access
  • Design & maintain out-of-band (OOB) management network using TrippLite serial consoles, iDRAC and other technologies to ensure secure & available management of network devices
  • Working with customer personnel, contractors, vendors to participate in design & specification of Private IP (PIP) and Internet circuits to support systems
  • Ensure high availability of Network Time Protocol (NTP) across all networks to ensure consistent & accurate time is available to all servers & network devices.
  • Work within configuration management process to ensure consistent & secure modifications to equipment configurations
  • Develop and maintain technical documentation and diagrams related to the field communications systems equipment & networks
  • Security Engineering Experience
  • Participated in ATO process
  • Business Analysis/Requirements Development Experience
  • Technical Writing and Documentation Experience
  • Government contracting experience, particularly with the DOJ

Equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities

* While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. Benefits offered include medical, dental and vision benefits; dependent care flexible spending account; 401(k) plan; voluntary life/short term disability/whole life/term life/accident and critical illness coverage; employee assistance program; sick leave in accordance with regulation. Benefits may be subject to generally applicable eligibility, waiting period, contribution, and other requirements and conditions. Benefits offered are in accordance with applicable federal, state, and local laws and subject to change at TCM's discretion.

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Salary.com Estimation for Sr Network Engineer in Lorton, VA
$114,429 to $134,848
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