SRE Transport WAN/DSTB/FAK

We are seeking an experienced Senior Network Engineer to support and modernize a large-scale enterprise network environment spanning hundreds of geographically dispersed locations. This role is ideal for a hands-on engineer with deep expertise in LAN, WAN, WLAN, routing, switching, network security, and Tier III troubleshooting.

The successful candidate will help maintain and enhance mission-critical network infrastructure while supporting modernization initiatives within a highly secure environment.

Key Responsibilities

• Troubleshoot and resolve complex enterprise network incidents and performance issues.

• Configure, maintain, and optimize routers, switches, firewalls, VLANs, wireless infrastructure, and network sensors.

• Serve as a Tier III escalation resource for challenging network problems.

• Support enterprise routing and switching technologies, including:

• OSPF

• BGP

• EIGRP

• MPLS

• VPNs

• SD-WAN

• Multicast

• Develop and execute Engineering Implementation Plans (EIPs) for network changes and upgrades.

• Perform Root Cause Analysis (RCA) and recommend corrective actions.

• Support network security initiatives using defense-in-depth principles and industry best practices.

• Participate in architecture reviews and future-state network design efforts.

• Manage change requests and deployment activities in accordance with established processes.

• Utilize Agile methodologies and JIRA to track engineering efforts.

• Maintain configuration baselines and ensure documentation accuracy.

• Validate firmware updates, security patches, and configuration changes in a lab environment before production deployment.

Required Qualifications

• 6+ years of network engineering experience.

• Active Secret clearance with eligibility to obtain a Top Secret clearance.

• Cisco CCNA certification or higher.

• DoD 8570 IAT Level III certification such as:

• CASP+

• CISSP

• CCNP Security

• Equivalent certification

• Strong expertise in:

• LAN/WAN/WLAN

• Network boundary engineering

• Routing and switching

• Enterprise network security

• Experience supporting large-scale enterprise environments.

• Strong troubleshooting and analytical skills.

Preferred Qualifications

• Cisco CCNP or CCIE certification.

• Experience with network automation technologies.

• Experience working within Agile/SAFe environments.

• Familiarity with JIRA.

• Experience supporting large, geographically dispersed enterprise networks.

Education

• Bachelor's degree and 812 years of relevant experience, or

• Master's degree and 610 years of relevant experience.

• Equivalent combinations of education and experience may be considered.

Ideal Background

Candidates with experience as any of the following may be a strong fit:

• Senior Network Engineer

• Enterprise Network Engineer

• WAN Engineer

• Network Architect

• Network Operations Engineer

• Network Infrastructure Engineer

• Network Boundary Engineer

This position offers the opportunity to work on large-scale enterprise networking initiatives, collaborate with highly skilled engineering teams, and contribute to the modernization of a mission-critical network environment.

Job Type & Location

This is a Contract position based out of Reston, VA.

Pay and Benefits

The pay range for this position is $50.00 - $65.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)

Job Type & Location

This is a Contract position based out of Reston, VA.

Application Deadline

This position is anticipated to close on Oct 28, 2026.

Workplace Type

This is a fully onsite position in Reston,VA.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.