Senior Network Administrator
$110k - $166kteKnoluxion Consulting
Overview Senior Network Administrator Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to the mission. Whether its architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Do you want to join a team that is building tailored technical solutions to modernize our governments mission and our clients business? Do you have a desire to change how people work? Are you interested in helping to protect our nations cyber interests? Join our growing team as a Senior Network Administrator, supporting the NGA customer mission. Responsibilities What you get to do every day: Design, configure, administer, and maintain complexenterpriseLAN, WAN, WLAN, VPN, and datacenter network environments. Install, configure, andsupport Cisco routers, switches, firewalls, loadbalancers, and othernetwork infrastructurecomponents. Collaboratewith Agile Scrumteams to deliverinfrastructure enhancementssupporting continuous integrationand rapid capabilitydelivery. Participate in sprintplanning, backlog refinement, daily stand-ups, reviews, and retrospectives asthe networking subjectmatter expert. Monitor network performance, capacity, and availability whileproactively identifyingopportunities for optimization. Troubleshoot complex networkissues, perform rootcause analysis, andimplementlong-term correctiveactions. Implement and maintainsecure network architecturesin accordance withIntelligence Communitysecurity requirements andbest practices. Support cloud connectivity, hybrid networking, and infrastructure modernizationinitiatives. Develop and maintainnetwork documentation,topology diagrams, standardoperating procedures, andconfiguration baselines. Coordinate hardware refreshes, software upgrades, maintenancewindows,and patch managementactivities. Partner with cybersecurityteams to addressvulnerabilities, implementsecurity controls, andsupportaudits and accreditationactivities. Qualifications Clearance Required: Active TS clearance (with SCI Eligibility) and eligibility to obtain CI Poly Certification Required : CompTIA Security+, and Cisco Certified Network Associate (CCNA) or Network Professional (CCNP), or equivalent certification. Education/Experience: Requires Bachelor's degree in Computer Science, Engineering, Information Technology or related field 8-12 years of prior relevant experience or Masters with 6-10 years of prior relevant experience 8+ years of network administration experience Required Skills: Experiencesupporting large-scale, mission-critical networkenvironments. Strong expertisewith Cisco routingand switching technologies. Thorough understanding of:
TCP/IP
OSPF, BGP, EIGRP
VLANsDNS/DHCP
VPN technologies NAT QoS Multicast Experience administeringenterprise firewalls suchas Cisco ASA, Palo Alto, orFortinet. Experiencewith network monitoringand performance managementtools. Strong troubleshooting,analytical, and problem-solving skills. Excellent communicationskills and theability to collaborateacross technicaldisciplines. Experience working inAgile or Scrumenvironments. What is ideal? Cisco CCNP, CCIE, or equivalent certification CompTIA Security+ CE (or DoD 8570/8140 compliant certification) Experience supporting Intelligence Community or Department of Defense customers Experience with AWS, Azure, or hybrid cloud networking Knowledge of Software Defined Networking (SDN) Experience with network automation using Python, Ansible, or PowerShell Familiarity with Zero Trust Architecture and micro-segmentation Experience with DevSecOps and Infrastructure as Code (IaC) Experience with VMware NSX or Cisco ACI ITIL Foundation certification Intelligence Community Experience preferred What you can expect from us Recognizing great achievements do not go unnoticed by bcore through service anniversaries, spot awards, and employee referral bonuses Youll join a growing organization of passionate, top-shelf, IT engineering professionals with extensive experience in actively developing the technology revolution in the Intelligence community The expected salary range within the Washington, DC metropolitan area is: $110,000-$166,000. Final compensation is unique to each individual and will be determined based on factors such as experience, education, geographic location, and contractual requirements. This is not a guarantee. Benefits include Health/Dental/Vision, 401(k), Paid Time Off, STD/LTD/Life Insurance/Voluntary Life Insurance, Stipends, Referral Bonuses, and more. BCore is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation or any other characteristic protected by law. #J-18808-Ljbffr teKnoluxion Consulting- Bcore is hiring a Senior Network Administrator in Gaithersburg, MD to design, secure, and optimize large-scale networks for critical government workloads. The role requires active TS clearance eligibility and experience with Cisco routing/switching, firewalls, and VPNs...Senior
- Ennoble First is seeking a Senior Network Administrator to support the National Geospatial-Intelligence Agency (NGA) in Gaithersburg, Maryland. You will lead enterprise network design, security, and modernization across LAN/WAN/WLAN, collaborating with agile teams to deliver...Senior
- Bcore is seeking a Senior Network Administrator in Gaithersburg, MD to design, implement, and optimize critical government network infrastructure. You will work on LAN/WAN/WLAN, VPN, data centers and cloud connectivity to support national security missions. Required TS...Senior
- Dunhill Professional Search & Government Solutions is seeking a versatile Systems and Network Administrator to design, secure, and maintain a hybrid enterprise infrastructure. The role covers on‑prem Cisco/Juniper networking, Palo Alto security, Windows Server administration...SeniorLocal area
- Leidos in Gaithersburg, MD is seeking a Senior Network Administrator to lead enterprise network infrastructure, ensure security, and support agile teams in delivering mission-critical capabilities for the Intelligence Community. The role requires active Top Secret/SCI...Senior
$125k - $155k
...act. We deliver. There is no challenge we can't turn into an opportunity. Position Overview Ennoble First is seeking a Senior Network Administrator to support the National Geospatial-Intelligence Agency (NGA) in Gaithersburg, Maryland. In this role, you will serve as...SeniorFull timeRelocation packageShift work$92.3k - $166.85k
Ready to put your networking expertise to work where it matters most? At Leidos, you’ll join a collaborative team of innovators... ...national security. The Maru Program is looking for a Senior Network Administrator who thrives in fast-paced Agile environments, enjoys solving...SeniorFull timeContract work- Leidos seeks a Senior Network Administrator in Gaithersburg, MD to lead enterprise network design, implementation, and security for mission-critical operations. You will work with engineers, cybersecurity, and software teams within an Agile framework to modernize infrastructure...Senior
$128k - $156k
...and Common Sense, make working here more than a job; it’s the Digital family. Digital Consultants seeks one Senior Network Administrator to provide on-site Tier III network, server, virtualization, and data center support to the Naval Medical Leader and...SeniorPermanent employmentFull timeFor contractorsWork at officeLocal areaRemote workFlexible hours$92.3k - $166.85k
...buildstrengthens national security. The Maru Program is looking foraSenior Network Administratorwho thrivesin fast-pacedAgile environments,... ...forwhatever comes next. What You'll Do As a SeniorNetwork Administrator,you'll serve asa technical leaderresponsible for...SeniorContract work$130k - $175k
Salary - $130,000 - 175,000Seeking a versatile and highly skilled Systems and Network Administrator to design, secure, and maintain our hybrid enterprise infrastructure. In this role, you will serve as the technical backbone of our operations, taking ownership of everything...Local areaRemote work- Digital Consultants LLC seeks a Senior Network Administrator to provide on-site Tier III support for the Naval Medical Leader and Professional Development Command (NMLPDC). The role focuses on maintaining >99.9% network availability and leading data center operations in...Senior
- ...Job Description Job Description Network Administrator, Washington DC Area SysArc is a fast-growing IT Managed Service Provider based in the DC area looking for an experienced Network Administrator/Engineer to join our team. We are one of the few MSP’s in the...
- ...Senior Database AdministratorEmployment Type: Full-Time, Mid LevelDepartment: Information TechnologyContact Government Services is seeking a Senior Database Administrator to assist with administering all aspects of Microsoft SQL Server.CGS brings motivated, highly skilled...SeniorFull time
$143.91k
Agency: Health Resources and Services AdministrationDepartment: Department of Health and Human ServicesSub agency: Division of Cyber Security to Office of the Chief Information Office (OCIO)Salary: Starting at $143,913 Per year (GS 14)Dates: Open 08/07/2026 to 08/17/202...SeniorWork at office- A prominent government services firm in Rockville, MD, seeks a Senior Discovery Database Administrator. This role involves optimizing and managing SQL Server databases, facilitating cloud migrations, and providing comprehensive database support. The ideal candidate will...SeniorFull timeContract work
- The Consortium, Inc. is seeking a Senior Oracle DBA in Gaithersburg, Maryland. The role requires a strong background in administering Oracle databases, with a focus on performance, integrity, and security. You will spend 50% of your time troubleshooting user issues and...Senior
- ...Senior Discovery Database Administrator (DBA) Employment Type: Full-Time, Executive-Level Department: Legal CGS is seeking a dedicated Senior Discovery Database Administrator to join a fast-paced and hard-working team to assist with any legal accounts. As a Senior...SeniorFull timeFor contractorsFlexible hours
- A government services company based in Rockville, Maryland is seeking a Senior Database Administrator to manage Microsoft SQL Server and provide administration support. The ideal candidate will have at least 5 years of relevant experience and skills in database migration...SeniorFull time
- Guidehouse seeks an experienced Oracle DBA to design, implement, and optimize database solutions in production. The role requires strong PL/SQL, SQL tuning, and AWS service experience; on-call rotation may be required. You will collaborate with development, operations, ...Senior
- A government services contracting company is looking for a full-time Sr. Systems Administrator in Rockville, MD. The role focuses on implementing and maintaining Automated Litigation Support systems, with key responsibilities in design, system infrastructure management,...SeniorFull time
- A federal technical service provider is looking for a Senior Systems Administrator in Rockville, MD. The role includes managing Relativity databases, consulting on technical requirements for government projects, and leading a technical team. Candidates should have significant...Senior
- A government services provider in Rockville, Maryland is seeking a Senior Database Administrator to manage Microsoft SQL Server and provide systems administration support. The ideal candidate will have at least 5 years of experience in SQL Server Database Administration...Senior
- Chenega MIOS is seeking a Sr. Systems Administrator / Help Desk Engineer (SME) in Gaithersburg, MD to provide technical leadership for mission‑critical infrastructure, enterprise systems, and end‑user services in a classified environment. The role requires extensive Windows...Senior
- X Energy, LLC in Rockville, MD is seeking an experienced enterprise software administrator to support and secure business applications. You will maintain configuration, access controls, and lead technology projects to improve services. Responsibilities include deployments...Senior
- X Energy, LLC is seeking an experienced IT professional to administer and support enterprise software applications that drive business operations. The role involves maintaining configuration and access controls, monitoring trends, and leading strategic technology projects...Senior
- X-energy LLC is seeking an experienced IT professional to administer and support enterprise software platforms essential to business operations. The role emphasizes maintaining configuration controls, security, and ongoing improvement of service delivery across multi‑instance...Senior
- General Dynamics - IT seeks an experienced Network Engineer to design, implement, and maintain complex Cisco-based networks supporting the Department of Energy's NNSA missions. The role emphasizes security, reliability, and scalability across LAN, MAN, and WAN environments...Senior
$91.6k - $153k
A federal government contractor is seeking a Linux Administrator in Gaithersburg, MD. The role involves maintaining Linux infrastructure, providing technical solutions, and ensuring system uptime. Candidates should have over 5 years of experience in Linux administration...SeniorFor contractors- ...Support the network infrastructure for LAN/WAN services at the National Institutes of Health (NIH). Coordinate work actions and collaborate... ...such as CCNA or CCNP. Minimum three (3) years of network administrator experience. Strong understanding of network protocols and...Local area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Network Administrator. Be the first to apply!
- senior lead project manager Gaithersburg, MD
- senior robotics software engineer Gaithersburg, MD
- senior devops engineer remote Gaithersburg, MD
- sr project manager Gaithersburg, MD
- senior windows systems engineer Gaithersburg, MD
- senior network engineer remote Gaithersburg, MD
- senior accountant controller Gaithersburg, MD
- senior manager accenture Gaithersburg, MD
- senior devops Gaithersburg, MD
- senior brand designer Gaithersburg, MD



