TSSCI Network Engineer

Post Date

Jan 30, 2026

Location

Sully,
Virginia

ZIP/Postal Code

20171
US
Apr 02, 2026 Insight Global

Job Type

Perm

Category

Network Engineer

Req #

DEN-345f37a8-52a1-4945-a70a-20b9e4479709

Pay Rate

$91k - $122k (estimate)

Job Description

Insight Global is looking for a TSSCI Network Engineer to join a leading telecommunications client in their public sector division. The Network Engineer is responsible for managing and maintaining capacity planning on sites and segments on a national fiber optic and Layer 2/3 switched network to include:

Equipment slot availability
Actual, planned and future requirements
Optical capacity
Carrier Ethernet capacity
MPLS Segment Routing capacity
Power and cooling requirements
Tracking Aging/End of Life equipment
Planning upgrades to support new requirements ensuring bandwidth ahead of demand
Updating site route maps
Working with contractors and/or customers to deliver and integrate requirements that meet all testing and validation requirements outlined in the performance specification
Providing design review information for Design Review Packages
Facilitating circuit delivery/integration/activation, and service migrations for the network as required
Provide cost models for equipment and labor needed to support new sites/routes/services on the network
Directly interfaces with Government customers, vendors, subcontractors, and other Lumen groups
Provides architecture assistance for installation teams
Understands and adheres to Federal, customer site and company policies and practices
Updates network drawings using MS Visio and other software-based applications
Knowledge and application of zero trust practices and principles to network architectures a plus
Familiarity with server deployments and maintenance for telecommunications Network Management Systems (NMS) a plus
Technology briefs around new products and services with recommendations and rough order magnitude pricing for integration into the network

This is a full time opportunity with a salary range of $91,266.00 - $121,688.00. The candidate will be required to work at their Herndon, VA office 4-5 days a week.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

Knowledge and experience should include designing, building, installing and maintaining Layer 1, Layer 2 and Layer 3 networks
Knowledge of optical equipment, Carrier Ethernet, SR-MPLS and wavelength division multiplexing
Candidate must be a US Citizen with an active TOP SECRET/SCI Level clearance

Nice to Have Skills & Experience

Bachelor’s degree and/or advanced degree in Electrical/Computer Engineering or Computer Science or related work experience
Knowledge of Ciena, Juniper and Infinera equipment desirable
Knowledge reviewing and analyzing solicitation documents and developing solutions

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.