Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Network Engineer - Top Secret

Reston Consulting Group, Inc.

Senior Network Engineer

At RCG, we're more than just a federal contracting company — we're a team of innovators, problem-solvers, and collaborators. Proudly Certified™ as a Great Place to Work®, we are committed to building a culture where people can grow, contribute, and thrive while delivering exceptional IT services to government clients.

We are seeking a Senior Network Engineer to support enterprise network operations for a large federal agency in Washington, DC. This position requires an active Top-Secret clearance with SCI eligibility and involves working onsite within a secure government facility. The ideal candidate will have a deep understanding of LAN/WAN environments, network performance optimization, and security compliance.

What You'll Do

  • Administer, operate, and maintain network devices, including routers, switches, load balancers, and firewalls.
  • Provide network operational support, ensuring system reliability, performance, and security.
  • Collaborate with System Owners, ISSOs, and SMEs across network, security, and virtualization disciplines.
  • Design, build, and implement scalable, fault-tolerant LAN/WAN architectures.
  • Configure and optimize network connectivity for front-end and back-end components.
  • Analyze customer requirements and develop integrated IT and network solutions.
  • Develop and maintain documentation, reports, and network topology records.
  • Monitor and troubleshoot network performance issues using diagnostic and monitoring tools.
  • Lead testing, installation, and integration of new network systems and upgrades.
  • Provide technical guidance and mentorship to network support personnel.
  • Research and evaluate emerging network technologies to enhance operational capabilities.
  • Support system security accreditation and compliance activities.
  • Participate in disaster recovery planning and testing.
  • Implement automation and proactive monitoring to ensure SLA compliance and high availability.

What We're Looking For

  • Active DoD Top Secret clearance with SCI eligibility (must already possess or be able to obtain).
  • Minimum of 10 years of related experience OR minimum bachelors of science, degree in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline and 5 years' experience.
  • Proficiency with Cisco, Dell, Palo Alto, and other enterprise-grade networking equipment.
  • Active certifications such as CCNA, CCDA, CCDP, or higher.
  • Demonstrated experience with LAN/WAN design, monitoring, and troubleshooting.
  • Strong understanding of network performance tools, traffic analysis, and capacity planning.
  • Familiarity with firewalls, intrusion detection/prevention systems (IDS/IPS), and TACLANEs.
  • Excellent analytical, documentation, and communication skills.
  • Ability to coordinate with multidisciplinary teams in high-security environments.

Preferred Qualifications & Certifications

  • Experience supporting federal government network operations and accreditation processes.
  • Familiarity with virtualization, cloud integration, and advanced network automation tools.

Why You'll Love Working Here

  • Proudly Certified™ as a Great Place to Work® — fostering inclusion, collaboration, and innovation.
  • Competitive compensation and benefits package.
  • Opportunities for career advancement and professional certification support.
  • Make a direct impact supporting mission-critical national security operations.

Equal Opportunity Statement

RCG, Inc. does not discriminate against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibits discrimination against all individuals based on their race, color, religion, sex, sexual orientation/gender identity, or national origin. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Network Engineer - Top Secret in Washington DC vacancy
  • JFL Consulting LLC is seeking an experienced ISE Network Engineer in Washington, DC, to design and secure advanced network infrastructures...  .... The ideal candidate will have 8+ years of experience, Top Secret Clearance, and familiarity with configuring Cisco and Juniper... 
    Senior

    JFL Consulting LLC

    Washington DC
    2 days ago
  •  ...Job Description Job Description Title: Senior Network Engineer CCNP Location: Bolling AFB, DC – On-site full-time Clearance: TS...  ...documentation and internet resources. · Must have an active Top-Secret clearance with SCI or the ability to acquire SCI ·... 
    Senior
    Full time
    For subcontractor
    Work at office

    System One

    Washington DC
    8 days ago
  • A specialized consulting firm is seeking a Senior Network Engineer in Washington, DC, to support federal agency network operations. The role requires an active Top-Secret clearance and a minimum of 10 years of related experience. Responsibilities include administering network... 
    Senior

    Reston Consulting Group

    Washington DC
    1 day ago
  • $140k - $190k

     ...About the job Senior Cloud / DevSecOps Engineer -Top Secret Clearance Required Overview: We are actively building a pipeline of elite Cloud...  ...enabled platforms Be part of a high-demand talent network with access to multiple opportunities Gain... 
    Senior
    Immediate start

    Northwest Talent Solutions

    Alexandria, VA
    5 days ago
  • $98.61k - $167.64k

     ...The Work : ICF is seeking an experienced and driven Software Engineer to lead and oversee mission-critical initiatives in support of...  ...external partners. What You Will Bring With You: Active Top Secret Clearance Proven experience (8+ years) supporting the full... 
    Senior
    Full time
    Contract work
    Work experience placement
    Work at office
    Immediate start
    Remote work

    ICF International Inc

    Washington DC
    1 day ago
  • Kids for the Future in Alexandria, VA is seeking a Database Engineer who will design and optimize database solutions for the DoD OIG’...  ...have 7+ years of experience and a relevant bachelor's degree. A Top Secret clearance is required, and U.S. Citizenship is mandatory for... 
    Senior

    Kids for the Future

    Alexandria, VA
    1 day ago
  • $130.69k - $222.17k

     ...ICF is seeking an experienced and driven Software Security Engineer to lead and oversee mission‑critical initiatives in support of...  ...external partners. What You Will Bring With You Active Top Secret clearance. Proven experience (8+ years) in application security... 
    Senior
    Full time
    Contract work
    Live in
    Work at office
    Immediate start
    Remote work

    ICF

    Washington DC
    4 days ago
  • $180k - $200k

     ...Full-time Description Job Title: ISE Network Engineer Place of Performance: Washington, DC 20392 Mandatory Requirements: Top Secret Clearance (SCI Eligible) Experience Level: Mid-Senior-Level (8+ years) About JFL Consulting... 
    Permanent employment
    Full time
    Temporary work
    Local area
    Immediate start
    Flexible hours

    JFL Consulting

    Washington DC
    4 days ago
  • $80k - $150k

    A technology firm in Arlington, VA is seeking a Delivery Lead. This role involves designing and building communications networks, ensuring compliance and performance. Candidates should possess a Bachelor's degree, significant network administration experience, and an active... 
    Senior

    Verigent

    Arlington, VA
    2 days ago
  •  ...organizations leverage existing IT investments and engineers innovative solutions for any industry....  ...is currently looking for a talented network engineer to work on our FBI ESOC program...  ...specialized network IT experience. A Top Secret clearance is required and a counter... 
    Full time

    D-A-Labs

    Washington DC
    2 days ago
  • $80k - $150k

     ...negotiable based on experience) Summary As a Network Engineer, you will review and evaluate IT...  ...administration. Have an active DoD Top Secret clearance with SCI eligibility. One of...  ...adapt in a fast‑paced environment. Seniority level Mid‑Senior level Employment type... 
    Permanent employment
    Full time
    Work experience placement
    For subcontractor
    Remote work

    Verigent

    Arlington, VA
    2 days ago
  •  ...Cisco SD-WAN Solutions Engineer CyKor is a fast-growing Service-Disabled Veteran Owned...  ...ensuring scalable, secure, and resilient network connectivity for maritime operations....  ...deploying Cisco Catalyst SD-WAN Active Secret Clearance Certifications: ~ IAT... 
    Senior
    Work experience placement

    CyKor

    Alexandria, VA
    1 day ago
  • $250k - $275k

     ...Senior Network Engineer Suvi Global Services is looking for a Senior Network Engineer to support IT across all DoD OIG networks. To join our...  ...of network operations. Qualifications ~ Active Secret security clearance. ~ Bachelor's degree from an accredited... 
    Senior
    Full time
    Part time
    For contractors
    Remote work

    Akima

    Alexandria, VA
    2 days ago
  • $250k - $275k

     ...SUVI Global Services is looking for a Senior Network Engineer to support IT across all DoD OIG networks. To join our team of outstanding professionals...  ...of network operations. Qualifications ~ Active Secret security clearance. ~ Bachelor's degree from an... 
    Senior
    Full time
    Part time
    For contractors
    Local area
    Remote work

    NANA Regional Corp

    Alexandria, VA
    6 days ago
  • $123.25k - $166.75k

     ...Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None...  ...Technology (IT) Infrastructure,Network Engineering,Operations,System Administration,Technical...  ...Job Description: NETWORK ENGINEER SENIOR We are GDIT-supporting and securing... 
    Senior
    Contract work
    Temporary work
    For subcontractor
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    Falls Church, VA
    3 days ago
  • Lawelawe Defense Inc. in Bethesda, Maryland is seeking a skilled Network Engineer III with at least 6 years of experience in network...  ...possess a CompTIA Security+ certification, and have an active secret security clearance. The position offers a dynamic working environment... 
    Senior

    Lawelawe Defense Inc.

    Bethesda, MD
    5 days ago
  • $250k - $275k

    SUVI Global Services is looking for a Senior Network Engineer to support IT across all DoD OIG networks. To join our team of outstanding professionals...  ...improvement of network operations. Qualifications Active Secret security clearance. Bachelor’s degree from an accredited... 
    Senior
    Full time
    Part time
    Local area
    Remote work

    NANA Regional Corporation

    Alexandria, VA
    1 day ago
  •  ...Location: Pentagon, Arlington, VA Clearance: Active Top Secret (TS) REQUIRED Certification: DoD 8140/8570 IAT Level...  ...Above REQUIRED Position Overview GES is seeking a Senior Network Engineer (SME) to lead the design, implementation, and sustainment... 
    Senior

    Global Enterprise Services, LLC

    Washington DC
    1 day ago
  •  ...Microsoft 365, Azure services, and advanced Active Directory administration, coupled with effective team collaboration and management skills. This position requires U.S. Citizenship with an active Top Secret clearance and onsite presence. #J-18808-Ljbffr RIVA Solutions Inc.
    Senior

    RIVA Solutions Inc.

    Washington DC
    1 day ago
  • $5,000 per month

     ...Network Engineer, Senior Imagine One Technology & Management, Ltd. is seeking a Network Engineer, Senior, contingent upon award of the associated...  ...Security Requirements: U.S. Citizen. Active TOP SECRET/SCI clearance required. Imagine One offers a full... 
    Senior
    Contract work
    Work experience placement

    Imagine One

    Washington DC
    1 day ago
  •  ...execution for defense programs, requiring significant experience in federal budget management, analytical skills, and an active Top Secret clearance. This role will involve collaboration with various DoD components and will support resource allocation decisions aligned... 
    Senior
    Work at office

    ANSER

    Alexandria, VA
    4 days ago
  •  ...Global Reach programs. Candidates must have a minimum of 10 years of DoD acquisition experience, a Master's degree, and an active Top Secret/SCI clearance. Responsibilities include budget preparation, program execution oversight, and compliance tracking. The position is... 
    Senior
    Contract work

    OBXtek Inc.

    Washington DC
    5 days ago
  • $60k - $90k

     ...developing training for personnel. Ideal candidates have 6+ years of security experience, a Bachelor's degree, and an active DOE Q or Top-Secret clearance. The salary range is $60,000 - $90,000, offering opportunities in a prominent federal setting. #J-18808-Ljbffr Carlsbad... 
    Senior

    Carlsbad Tech

    Washington DC
    3 days ago
  • $100 - $106.9 per hour

     ...are a national staffing firm and are currently seeking a Senior Network Engineer for a prominent client of ours. Details for the position...  ...+ years of Network Engineering experience Clearance: Top Secret/SCI with Active Full Scope Polygraph; CI Investigation closed... 
    Senior
    Hourly pay
    For contractors

    The Fountain Group

    Washington DC
    4 days ago
  • $60k - $120k

     ...documentation. With a salary range of $60,000 to $120,000 annually, this full-time position requires recognized expertise and an active DoD Top Secret/SCI clearance. Comprehensive benefits, including health and 401k, are offered. #J-18808-Ljbffr Contact Government Services, LLC
    Senior
    Full time

    Contact Government Services, LLC

    Washington DC
    5 days ago
  • $129.3k - $193.9k

     ...to planning and execution within multiple domains, and presenting findings to senior officials. Candidates must have a relevant degree and extensive experience, alongside an active Top Secret Clearance. This position also offers an appealing salary range of $129,300 - $... 
    Senior

    Northrop Grumman

    Washington DC
    4 days ago
  •  ...As a Sr. Network Engineer III , you'll serve as a technical authority for voice, video, and...  ...team collaboration. This role provides senior unified communications engineering support...  ...: ~ Active U.S. Government Issued Top Secret security clearance (or higher level... 
    Senior
    Immediate start

    Mount Indie

    Washington DC
    5 days ago
  • $110.8k - $185.1k

     ...Network Engineer, Senior Location US-VA-Arlington ID 2026-4149 Category IT / Cyber Security / Network Systems...  ...Time Remote No Clearance Required Top Secret/SCI Overview AMERICAN SYSTEMS is one of the... 
    Senior
    Full time
    Remote work

    American Systems

    Arlington, VA
    3 days ago
  • A leading tech solutions firm is seeking a Mission Engineer SME in Arlington, Virginia, to lead mission engineering analysis efforts....  ...strong leadership and communication skills, as well as an active TOP SECRET clearance. Interested applicants should be motivated to mentor... 
    Senior

    Modern Technology Solutions, Inc. (MTSI)

    Arlington, VA
    1 day ago
  •  ...will facilitate Agile ceremonies, support project management, and ensure adherence to Scrum practices. Candidates must possess a Top-Secret Clearance and have over 10 years of experience in Agile environments. Strong communication skills and the ability to coach teams... 
    Senior

    IBM Computing

    Alexandria, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Network Engineer - Top Secret. Be the first to apply!