Senior Systems Integration Engineer

Job ID: 112876
Location: Herndon, VA  [On-Site]
Category: App/Dev
Employment Type: Contract
Date Added: 06/23/2026
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Role Summary
Provide senior-level systems integration engineering support for the transition from legacy copper (TDM) networks to modern fiber and IP architectures within airspace environments. This role focuses on hands-on technical integration, including troubleshooting complex hybrid interfaces and executing end-to-end testing and validation for mission-critical performance. Work closely with systems integration stakeholders to refine architectures, manage technical risks, and support timely cutovers across multi-state environments.
This position requires eligibility for a U.S. Government security clearance. In accordance with federal law, U.S. citizenship is required. Must have the ability to obtain and maintain required clearances.

Responsibilities

  • Analyze system architecture by reviewing requirements, preliminary designs, and architecture drawings to identify necessary updates
  • Lead modernization initiatives transitioning legacy copper and TDM transport to fiber-based and IP-enabled architectures
  • Execute end-to-end assessment, redesign, and integration of legacy infrastructure to ensure IP readiness
  • Lead technical integration efforts across NAS environments, including advanced network protocols and transport infrastructure
  • Troubleshoot complex issues across fiber, IP, and hybrid legacy interfaces while validating end-to-end system performance
  • Direct hands-on circuit turn up, cutover, and integration activities across fiber, IP, and legacy interfaces
  • Perform end-to-end testing and validation to confirm operational readiness and reliability requirements
  • Deliver clear, actionable technical briefings to stakeholders and senior leadership on architecture changes and integration impacts
  • Identify, assess, and mitigate technical risks, interdependencies, and operational bottlenecks to maintain NAS continuity

Qualifications

  • Ability to obtain and maintain clearance and active clearance at time of hire
  • Bachelor’s degree in Computer Science, Engineering, Information Systems, or related technical field (or 4 additional years of relevant experience in lieu of degree)
  • 8+ years of experience in network engineering, systems administration, or infrastructure planning
  • 5+ years working with core networking protocols, including BGP, TCP/IP, MPLS, and IPv6 (configuration, optimization, and troubleshooting)
  • Experience supporting telecommunications and IT environments, including optical networking and SONET transport
  • Familiarity with metro ring architectures and wired/wireless infrastructure in mission-critical environments
  • Ability to perform complex troubleshooting across hybrid legacy and modern interfaces
  • Experience delivering rigorous technical reporting and stakeholder briefings for architecture and integration changes

Publishing Pay Range: $40.00 – $45.00 Hourly
This position is based in office and requires employee to work on-site.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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