Senior Network Administrator
Cortek Inc
Job Description
Job Description
Job Title: Senior Network AdministratorLocation: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA 22042Description: CORTEK is seeking a Senior Network Administrator to provide Network Operations (NetOps) support for the Bureau of Medicine and Surgery (BUMED) Headquarters. The Senior Network Administrator will be responsible for the maintenance, configuration, and security of all virtual network components and appliances. This role requires an expert-level understanding of network architecture and security policies within a DoD environment to ensure optimal performance and operational reliability.Key Responsibilities:Provide senior-level Network Operations (NetOps) support, including maintenance and configuration of the external security stack, routers, switches, hubs, and firewalls.Manage and coordinate all network requirements and changes to the Med-COI zone architecture via Ports, Protocols, and Services (PPS) requests.Ensure local site resources are Security Technical Implementation Guide (STIG) compliant and manage changes through a local Configuration Control Board (CCB).Continually assess, reconfigure, and/or deploy systems to optimize performance and accommodate changes to network architecture or security policies.Provide local Tier 1 on-site support for Local Core Infrastructure (LCI).Assist the local Information System Security Officer/Manager (ISSO/ISSM) with documentation and implementation to support the Risk Management Framework (RMF) ATO process.Coordinate preventive maintenance and Authorized Scheduled Interruptions (ASI) with the Defense Health Agency (DHA).Maintain operational reliability near 100% for all network equipment.Job Requirements and ExperienceBachelor's degree in computer science or engineering.Ten (10) years of work experience and a mastery level in production network technologies.Required Certifications: CompTIA Security+, Cisco Certified Network Associate (CCNA).Must meet DoD 8570.01-M IAT-III certification requirements.Extensive experience with network administration in a DoD environment, including hands-on experience with routers, switches, and firewalls.Deep understanding of DoD network security, STIGs, and the RMF process.Clearance:Must be a U.S. Citizen.Must possess a minimum of an active Secret security clearance.About CORTEK: Founded in 2003, CORTEK is a distinguished Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in Chemical, Biological, Radiological, and Nuclear (CBRN) defense, Weapons of Mass Destruction (WMD) terrorism prevention, Counter-WMD (CWMD) support services, and Freedom of Information Act (FOIA)/Privacy Act support. With over a decade of experience, CORTEK has delivered mission-critical solutions to government clients, including the Department of State (DOS), Department of Homeland Security (DHS), Department of Justice (DOJ), and Department of Defense (DoD). Our proven track record includes 12 years of incumbency on DOS contracts supporting WMD threat mitigation and consequence management programs, as well as comprehensive support for the Defense Threat Reduction Agency's (DTRA) technical and strategic objectives across Physical and Biological Sciences, Engineering, Policy, and Operations. Additionally, CORTEK has provided onsite analytical support for the Department of the Army Headquarters (HQDA) at the Pentagon.At CORTEK, relationships are at the heart of what we do. We pride ourselves on our customer-centric approach, leveraging proven management processes to deliver tailored solutions that drive client success. Our focus on excellence, innovation, and competitive value throughout the project management lifecycle makes CORTEK a trusted partner. Curious to learn more? Visit us at CORTEK.com.Equal Employment Opportunity (EEO) Employer: CORTEK is dedicated to fostering a diverse and inclusive workplace by hiring and retaining talented individuals from all backgrounds. We provide equal employment opportunities to all qualified applicants, regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other legally protected characteristic. As an EEO employer, CORTEK complies with Federal laws prohibiting job discrimination and posts notices outlining these protections in accordance with applicable regulations.Reasonable Accommodation Requests: CORTEK is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you need special assistance or accommodation while seeking employment, please e-mail View email address on ziprecruiter.com or call Human Resources at View phone number on ziprecruiter.com. We will decide on your request for reasonable accommodation on a case-by-case basis.E-Verify: As a Federal Contractor, we are required to use E-Verify to validate employees' ability to work legally in the United States.Pay Transparency Non-Discrimination: CORTEK will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay.For information regarding your legal rights and protections, please click on the following link: State and Federal Labor Notices
$120k
...Overview Senior Network Administrator Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If...SeniorLocal area- ...the highest form of third-party validation. is seeking an Network Administrator - Mid at Fort Belvoir, VA to support large-scale migration and... ...for hardware, software, and connectivity issues.Escalate to senior engineering staff if issue is not resolved.Document and...SuggestedFull timeContract workFor contractorsWork at officeLocal areaShift workNight shift
$120.8k - $265.8k
Job Title: Network Infrastructure/System AdministratorJob Category: Information TechnologyTime... ...:CACI is looking for a Network System Administrator to join the Luke Team! You will support... ...or skill level at minimum (Senior / Expert)Experience with automating network...SuggestedContract workWork experience placementFlexible hours- ...veteran status or any other characteristic protected by law.DescriptionIMTAS, a premier government integrator is seeking a Network Administrator responsible for all aspects of the corporate infrastructure including asset management, networks, applications, databases, information...SuggestedPart timeWork at officeRemote work
$125k - $160k
...customer success. Responsibilities An average day: As Network Administrator II, you will be responsible for supporting and maintaining... ...and performance of network systems. You will collaborate with senior team members and cross-functional IT teams to implement...SuggestedContract workWork experience placementImmediate startRemote work$75.2k - $158.1k
Job Title: Network Administrator - Level 2Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *The Opportunity:The...Contract workWork experience placementImmediate startRemote workFlexible hours- Senior Network Designer TS/SCI FSPDepartment: Government Customer- HerndonLocation: Herndon, VASenior Network DesignerACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITIONAdjust network sizes to meet volume or capacity demands. Communicate with...Senior
- ...Job Description Job Description Job: Senior Networking Administrator - Network Engineer (TS/SCI Security Clearance Required, Swing-Shift)Location: Arlington, VA (On-Site Only)We're looking for a dedicated professional to join our team in a full-time Senior Networking...SeniorFull timeImmediate startMonday to ThursdayAfternoon shift
$125k - $200k
Summary The MIL Corporation is seeking a Senior Network Engineer with TS/SCI, FS (Network Engineering, Associate) to support a federal government client in the Washington, DC metro area. This position currently requires a full on-site schedule. Schedule is subject to change...SeniorFull timeContract work$176k - $282k
...We support a secure, worldwide, high-performance communications network comprised of real-time interactive applications allowing... ...software, and security solutions.Peraton is seeking an experienced Senior Network Architect, to join our dynamic Network and Unified Communications...SeniorContract workFor contractorsWorldwideShift work$130k - $150k
...Network Administrator Location: Springfield, VA, US Job ID: ATR 18036 Job Description Job Title: Network Administrator Job Location: Springfield, VA Compensation: $130,000 - $150,000 Eligibility/Clearance: Candidate must possess an active TS/SCI clearance...Local area- ...Network Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) Key Summary We are seeking a skilled and proactive Network Administrator to join our team and ensure the reliability, security...Temporary workFor contractorsImmediate startFlexible hours
$63.75k - $86.25k
...Infrastructure and Operations Job Qualifications: Skills: Network Infrastructures, Network Monitoring, Network Software... ...Yes Job Description: GDIT is seeking an Network Administrator Associate to help support our Base Infrastructure Modernization...Contract workTemporary workImmediate startRemote workWorldwideFlexible hoursNight shiftWeekend work$130k - $150k
...Network Administrator Job Location: Springfield, VA Compensation: $130,000 - $150,000 Eligibility/Clearance: Candidate must possess an active TS/SCI clearance and be willing to obtain a CI Polygraph Role Overview Systems administration of routing and switching...Local area- ...Network Systems Engineer Develops and deploys plans and designs of network systems that will meet an organization's requirements for performance, security, and compliance with relevant standards and regulations. Conducts network architecture design, feasibility, and...
- ...database integration activities. Expertise as Database Engineer/Administrator for any of the RDBMS - Distributed DB2 UDB LUW,... ...SummaryType: ContractFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And ServicesSeniorWork experience placement
- ...Network Administrator CGI Federal has an exciting opportunity for a Network Administrator within our Intel sector advancing the national security... ..., maintain system documentation, and work independently. Senior:• Education and/or Experience: Bachelor's degree and/or 5 to...
- ...IDR is seeking a Network Administrator to join one of our top clients in the Mid-Atlantic region. This travel-based role is pivotal for ensuring... ...Staffing® Client and Talent Award winner 12 years in a row Seniority level Mid‑Senior level Employment type Full-time Job...Full time
$77.6k - $176k
Network Architect, SeniorThe Opportunity:A well-designed network is critical to move data and enable the Department of Defense (DoD) to achieve their missions, but how can an organization make sure their network will fit their evolving needs? Crafting the right network,...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...Leidos seeks a Network Architect SME to design, deploy, and optimize enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM. You will lead F5 BIG-IP (LTM/GTM) and Infoblox deployments, ensure secure, high-availability networks, and...Senior
- ...Leidos is seeking a Network Architect SME to lead design, deployment, and optimization of enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM. The role requires hands-on expertise with F5 BIG-IP (LTM/GTM) and Infoblox, ensuring...Senior
$100.85k - $151.27k
SummaryThe MIL Corporation is seeking a Senior Network Security Engineer (Network Engineering, Associate) to support and enhance a large... ...DHCP, VPN technologies802.1X Network Access ControlFirewall administration and network securityNetwork monitoring and logging...SeniorFull timeContract work- ...Kaimetrix is seeking a Database Administrator – Level III to manage and maintain enterprise database systems in a secure environment. This critical role ensures the performance, integrity, and security of vital data assets while overseeing database operations. Responsibilities...Senior
- ...the business capture lifecycle from pursuit decision to the proposal. Manages the entire schedule and presents at key milestones to senior leadership, prepares interim reviews and work products, and maintains budget (plans vs. actuals) for the capture efforts. Requires...SeniorFull timePart timeInterim role
$110.7k - $218.3k
...unlock new levels of financial and operational excellence. Recruiting for this role ends on 12/31/2026. Work you'll do As an Oracle EPM Senior Consultant, FCCS on the Controllership and Treasury Transformation team, you will be responsible for supporting Oracle Enterprise...SeniorLocal areaVisa sponsorship- ...offerings to customers in the intelligence community, defense, civil, and commercial markets. Role We’re looking for a mission-driven Senior Network Architect who thrives in high-security environments and brings deep experience designing complex, large-scale network...Senior
- ...Network Engineer / Systems Administrator (SA) We are seeking a highly skilled and proactive Network Engineer / Systems Administrator (SA) to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible...Temporary workFor contractorsImmediate startFlexible hours
$83.3k - $112.7k
Network Administrator (Associate or Experienced) Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a Network Administrator to join our Networks and Computing IT team supporting classified programs. The ideal candidate will have hands‑on experience...Permanent employmentWork experience placementRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work- We are supporting a growing technology organisation seeking a Senior Systems Administrator to manage and scale its internal IT and network infrastructure. This role is hands-on and varied, combining day-to-day IT support with longer-term systems, security, and automation...
$108.76k
Network Administrator Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you... ...do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn. We offer opportunities...Local area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Network Administrator. Be the first to apply!
- remote senior business analyst Falls Church, VA
- senior leadership Falls Church, VA
- senior business analyst Falls Church, VA
- senior grant accountant Falls Church, VA
- senior manager automotive Falls Church, VA
- senior magento developer Falls Church, VA
- senior application administrator Falls Church, VA
- senior accountant work from home Falls Church, VA
- senior manager accenture Falls Church, VA
- remote senior project manager Falls Church, VA

