Senior Network Engineer

Stafford, VA
Contract

Job Description

Job#: 3014328

Job Description:


  • Tests and analyses all elements of network facilities
  • Monitors and controls the performance and status of network resources on multiple enclaves utilizing software and hardware tools
  • Identifies and diagnoses problems and factors affecting network performance
  • Analyzes network performance, usage, traffic flows, access, and interfaces
  • Provides technical planning and analysis for communication activities including designing, integrating, installing, troubleshooting, repairing, testing, monitoring, reporting, documenting, working with appropriate vendors, and performing preventative maintenance services
  • Performs testing, provisioning, operations, and emergency response for ongoing network operations
  • Oversees and managers the deployment of upgrades to existing data, video, and related systems in a multi-location environment
  • Ensures all required operational and support documents are current
  • Maintains a current understanding of emerging technologies and trends in online media, cloud service, storage solutions, and other data center technologies.


WHAT YOU’LL NEED TO SUCCEED

Bring your engineering expertise along with a drive for innovation to the client. The Senior Network Engineer must have:

  • Security Clearance Level: Active Top Secret clearance with SCI Eligibility
  • Required Experience: 8+ years of network engineering and administration experience
  • Required Certifications: CompTIA Security+ CE and CCNA certifications.
  • Education: BS Degree or 4 additional years of work experience required in lieu of degree.
  • Location: Hybrid - 3 days onsite in Quantico, VA + 2 days Remote
  • US Citizenship required

The successful candidate is expected to be experienced with some of the following:

  • Experience with engineering data center and IP backbone networks in a multi-vendor, multiprotocol environment, including networks based on T1, DS3, Fiber/Optical, DSL, Ethernet, and Ethernet over Copper core.
  • Experience with the following protocols, BGP, OSPF, vDC, vPC, VRF’s, Spanning-Tree, VLANs, 802.1q, QoS, Cisco ASA with Active/Active Multiple Contexts
  • Firewall Experience Required- Cisco ASA 5500X, Juniper SRX, Forcepoint SW
  • Expert level configuration of Cisco routers and switches including: 4500/6500, 3750, 3850, and ASR 1000
  • Nexus 2K/5K/7K/9K Data Center Experience
  • Experience with configuration and management of firewalls; Cisco Firepower, Palo Alto, Forcepoint Sidewinder, and Juniper
  • Familiar with NTP /MAB/F5 Deployment
  • Experience with Network Management Apps - Cisco ACS/ISE, Cisco Prime, SolarWinds​


Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

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 SupportLinc 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.

PDN-a086558d-454f-4af5-84e5-5d0d56ad47f4

Job#: 3014328

Job Description:


  • Tests and analyses all elements of network facilities
  • Monitors and controls the performance and status of network resources on multiple enclaves utilizing software and hardware tools
  • Identifies and diagnoses problems and factors affecting network performance
  • Analyzes network performance, usage, traffic flows, access, and interfaces
  • Provides technical planning and analysis for communication activities including designing, integrating, installing, troubleshooting, repairing, testing, monitoring, reporting, documenting, working with appropriate vendors, and performing preventative maintenance services
  • Performs testing, provisioning, operations, and emergency response for ongoing network operations
  • Oversees and managers the deployment of upgrades to existing data, video, and related systems in a multi-location environment
  • Ensures all required operational and support documents are current
  • Maintains a current understanding of emerging technologies and trends in online media, cloud service, storage solutions, and other data center technologies.


WHAT YOU’LL NEED TO SUCCEED

Bring your engineering expertise along with a drive for innovation to the client. The Senior Network Engineer must have:

  • Security Clearance Level: Active Top Secret clearance with SCI Eligibility
  • Required Experience: 8+ years of network engineering and administration experience
  • Required Certifications: CompTIA Security+ CE and CCNA certifications.
  • Education: BS Degree or 4 additional years of work experience required in lieu of degree.
  • Location: Hybrid - 3 days onsite in Quantico, VA + 2 days Remote
  • US Citizenship required

The successful candidate is expected to be experienced with some of the following:

  • Experience with engineering data center and IP backbone networks in a multi-vendor, multiprotocol environment, including networks based on T1, DS3, Fiber/Optical, DSL, Ethernet, and Ethernet over Copper core.
  • Experience with the following protocols, BGP, OSPF, vDC, vPC, VRF’s, Spanning-Tree, VLANs, 802.1q, QoS, Cisco ASA with Active/Active Multiple Contexts
  • Firewall Experience Required- Cisco ASA 5500X, Juniper SRX, Forcepoint SW
  • Expert level configuration of Cisco routers and switches including: 4500/6500, 3750, 3850, and ASR 1000
  • Nexus 2K/5K/7K/9K Data Center Experience
  • Experience with configuration and management of firewalls; Cisco Firepower, Palo Alto, Forcepoint Sidewinder, and Juniper
  • Familiar with NTP /MAB/F5 Deployment
  • Experience with Network Management Apps - Cisco ACS/ISE, Cisco Prime, SolarWinds​


Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

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 SupportLinc 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.

PDN-a086558d-454f-4af5-84e5-5d0d56ad47f4

About Apex Systems, Inc.

Apex Systems is a world class technology services business that incorporates industry insights and experience to deliver solutions that fulfill our clients’ digital visions. We provide a continuum of service from workforce mobilization and modern enterprise solutions to digital innovation to drive better results and bring more value to our clients. Apex transforms our customers with modern enterprise solutions tailored to the industries we serve. Apex has a presence in over 70 markets across the US, Canada, and Mexico.

Apex is a segment of ASGN Inc. (NYSE: ASGN). To learn more, visit www.apexsystems.com.


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Senior Network Engineer
Apex Systems, Inc.
Stafford, VA
Dec 6, 2025
Contract
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