Demo

Network Engineer (TS/SCI CI Poly)

Seamless Migration LLC
Mc Lean, VA Full Time
POSTED ON 1/11/2026
AVAILABLE BEFORE 2/8/2026
About Us

Seamless Migration is a Service-Disabled Veteran-Owned Small Business (SDVOSB) started in 2021 with the purpose of enabling businesses and organizations through automation. Our goal is to help organizations discover, implement, and maintain solutions which evolve and mature with their ever-changing business needs. We believe in applying agile methodologies in all aspects of our business practices and use these methods to ensure effective results for our clients.

Seamless Migration is seeking a career and customer-oriented Network Engineer to join our team in McLean, VA.

Clearance

  • Active TS/SCI W/ CI Polygraph (existing clearance required to start)

Location

  • Mclean, VA

Overview

  • Support the customer's data communications network, maintain network hardware and software, and monitor the network to ensure availability to all system users
  • Perform necessary maintenance to support network availability
  • Proficient in Cisco network solutions, software-defined networks, and firewalls from AWS, Google, and Microsoft
  • Deploy, configure, maintain, and monitor all active network equipment (Cisco routers, switches, firewalls) ensuring seamless network operations
  • Troubleshoot and resolve network issues, implement security measures, and proactively optimize network performance
  • Monitor and resolve network-related service tickets
  • Maintain Standard Operating Procedures (SOPs) and network design documentation
  • Setup user accounts, permissions, and passwords
  • Perform network upgrades to maintain system integrity and overall availability
  • Support and administer third-party applications
  • Ensure security and efficiency of IT infrastructure following industry standards

Qualifications

  • Experience working with and troubleshooting Cisco and/or Juniper network vendor platforms
  • Knowledge of and experience with networking technology and protocols, TCP/IP, Routing (static, OSPF, BGP, and policy-based), Firewalls (zone-based policies and ACLs), SSH, VPNs
  • Knowledge of network management platforms such as Solarwinds
  • Strong understanding of IPv4 networks
  • Experience with network device hardening in accordance with industry best practices
  • Knowledge of different operating systems (Microsoft, Unix, Linux, etc.)
  • Attention to detail, problem-solving mindset, critical thinking, and teamwork skills

Nice To Have

  • Experience with automating network tasks using Ansible or Python
  • Cisco CCNP or Juniper JCNIP certifications or equivalent skill level (Senior / Expert)
  • Familiarity with cloud hosting solutions such as Amazon AWS, Microsoft Azure, and Google Cloud
  • VMWare experience
  • CompTIA Network , CCNP, CCNA certifications

Benefits

  • 100% paid Medical, Dental & Vision for Our Employee
  • 6% 401K match (Vested Immediately)
  • 29 Days' PTO
  • Flexible Work Schedule
  • Tuition/Certification Reimbursement
  • Growth Opportunities w/in an Emerging Defense Company
  • All your information will be kept confidential according to EEO guidelines

Salary.com Estimation for Network Engineer (TS/SCI CI Poly) in Mc Lean, VA
$94,765 to $114,527
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Network Engineer (TS/SCI CI Poly)?

Sign up to receive alerts about other jobs on the Network Engineer (TS/SCI CI Poly) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$87,720 - $106,708
Income Estimation: 
$108,098 - $130,480
Income Estimation: 
$87,720 - $106,708
Income Estimation: 
$108,098 - $130,480
Income Estimation: 
$141,102 - $168,742
Income Estimation: 
$194,188 - $238,415
Income Estimation: 
$71,709 - $89,893
Income Estimation: 
$87,720 - $106,708
Income Estimation: 
$108,098 - $130,480
Income Estimation: 
$131,611 - $156,576
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Seamless Migration LLC

  • Seamless Migration LLC Chantilly, VA
  • About Us Seamless Migration is a Service-Disabled Veteran-Owned Small Business (SDVOSB) started in 2021 with the purpose of enabling businesses and organiz... more
  • 13 Days Ago

  • Seamless Migration LLC Herndon, VA
  • Seamless Migration is seeking a career and customer-oriented IT Security Analyst , to join our team in Herndon, VA. Clearance Must be a U.S. Citizen and ON... more
  • 11 Days Ago


Not the job you're looking for? Here are some other Network Engineer (TS/SCI CI Poly) jobs in the Mc Lean, VA area that may be a better fit.

  • Peraton Laurel, MD
  • Responsibilities Peraton is seeking a Network Engineer to perform as a consultant for leading edge information technologies and methodologies to join our t... more
  • 10 Days Ago

  • QinetiQ US Chantilly, VA
  • Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground... more
  • 8 Months Ago

AI Assistant is available now!

Feel free to start your new journey!