Computer Network Defense Analyst Level 3 MarkonComputer Network Defense Analyst Level 3Fort Meade, Maryland$200,000–$220,000 / yearFull timeResponsibilities: Analyze data from multiple sources (e.g., intrusion detection systems, firewalls, network traffic logs, host system logs) to identify vulnerabilities and detect cyber threats. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Cyber Network Operator PeratonCyber Network OperatorChantilly, Virginia$176,000–$282,000 / yearFull timeFamiliarity with commonly used large-scale service components (webservers, databases, load balancers, caching servers, storage cluster, etc.). As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
Network Engineer – Firewall & Load Balancing PeratonNetwork Engineer – Firewall & Load BalancingSpringfield, Virginia$104,000–$166,000 / yearFull timeThis role will provide hands-on support for mission critical network environments with a focus on F5 BIG-IP load balancing solutions, Palo Alto Next Generation Firewalls (NGFW), and Cisco Firepower Threat Defense (FTD) managed through Firepower Management Center (FMC). Administer and support F5 BIG-IP environments, including Local Traffic Manager (LTM), Global Traffic Manager (GTM/DNS), virtual servers, pools, iRules, SSL profiles, health monitors, and traffic policies.
Network Administrator - Level 2 CACI International IncNetwork Administrator - Level 2Reston, VA$75,200–$158,100 / yearResponsibilities: As a Tier 2 Network Administrator, you''ll be challenged with enterprise support problems where you will coordinate with the Network Operations Center and other Operational staff to address break fix, configuration update, schedule add moves and changes and technology upgrades and installs for Network routers and switches. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Network Administrator (Remote) Terrestris Global SolutionsNetwork Administrator (Remote)Washington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.
System Administration L2 - TS/SCI Poly required EmtakSystem Administration L2 - TS/SCI Poly requiredAnnapolis Junction, MarylandThis role requires coordination with ISP and Gateway GES watch staff, customers, and technical support teams to ensure timely event notification, operational response, and infrastructure support. The selected candidate will provide infrastructure monitoring, telecommunications support, network maintenance, and operational coordination for supported systems and mission activities.
NewNetwork Engineer - Senior Dutch Ridge Consulting GroupNetwork Engineer - SeniorMerrifield, VASupport classified and unclassified environments, ensuring operational continuity, security compliance, and high availabilityAct as a technical escalation point for complex network incidents, outages, and performance issuesParticipate in architecture reviews, design sessions, and implementation planningCollaborate with Security, Cloud, Systems, and Application teams to ensure integrated solutionsSupport global operations, including after-hours support and maintenance windows as requiredDevelop and maintain engineering documentation, diagrams, and operational runbooksRequirementsActive/current Secret Clearance is required at the time of hire.5+ years of experience with hands-on enterprise network experienceProfessional certification (e.g., CCNP, CCDP)Installing, configuring, and troubleshooting various network architecturesKnowledge of the inner workings of the major network routing protocols, including dynamic routingExperience with a variety of firewallsSolid background in network administration and architectureKnowledge of building, developing, and maintaining SD-WAN environmentsFamiliarity with access control models and network securityExperience with network diagnostic, monitoring, and analysis toolsSolid understanding of network operating systems (Aruba, Juniper, Cisco)Solid understanding of VPNSharp troubleshooting skillsTerminating fiber and network cablesAbility to work independentlyDesigning, writing, and updating both system documentation and network diagramsBachelors degree in a related field or relevant work experience. The position also requires administering network (Cisco ACI), compute (Cisco UCS), and virtualization (VMware, UCS Director) environments, performing network diagnostics and analysis, troubleshooting production outages with service providers, terminating fiber and network cables, and independently designing, writing, and updating system documentation and network diagrams.
Digital Network Exploitation Analyst (DNEA), Senior Associate - TS/SCI w/poly PeratonDigital Network Exploitation Analyst (DNEA), Senior Associate - TS/SCI w/polyFort Meade, Maryland$86,000–$138,000 / yearFull timeBackground in one or more of the following: systems design, software/hardware engineering, cybersecurity, network security, vulnerability analysis, penetration testing, digital forensics, or network administration. Join a team of elite professionals developing next-generation cybersecurity and intelligence solutions that safeguard our nation’s most vital networks.
Network Engineer L2 - TS/SCI Poly required EmtakNetwork Engineer L2 - TS/SCI Poly requiredAnnapolis Junction, MarylandThe ideal candidate brings strong analytical skills, hands‑on network administration experience, and the ability to translate mission needs into reliable, scalable network solutions. We are seeking a Network Engineer to support the full lifecycle of enterprise network operations—from design and implementation to maintenance, troubleshooting, and modernization.
Linux Systems Network Engineer - HYBRID The Josef GroupLinux Systems Network Engineer - HYBRIDSterling, VirginiaLinux Systems and Network Administration: Proven ability to manage and troubleshoot Linux environments with a focus on secure and optimized network setups. The candidate must be able to work seamlessly within government spaces and independently prioritize tasks in a time-effective manner while reporting status updates to both internal program managers and government customers.
Network Engineer L3- TS/SCI Poly required EmtakNetwork Engineer L3- TS/SCI Poly requiredAnnapolis Junction, MarylandThe ideal candidate brings strong analytical skills, hands‑on network administration experience, and the ability to translate mission needs into reliable, scalable network solutions. We are seeking a Network Engineer to support the full lifecycle of enterprise network operations—from design and implementation to maintenance, troubleshooting, and modernization.
Digital Network Exploitation Analyst (DNEA), Advisor - TS/SCI w/poly PeratonDigital Network Exploitation Analyst (DNEA), Advisor - TS/SCI w/polyFort Meade, Maryland$135,000–$216,000 / yearFull timeBackground in one or more of the following: systems design, software/hardware engineering, cybersecurity, network security, vulnerability analysis, penetration testing, digital forensics, or network administration. Join a team of elite professionals developing next-generation cybersecurity and intelligence solutions that safeguard our nation’s most vital networks.
Network Engineer Vets HiredNetwork EngineerMarylandThis role focuses on designing, implementing, and maintaining secure and reliable network infrastructures for complex simulation and defense systems. An organization is seeking a Network Engineer (Journeyman) to support advanced research, development, testing, and evaluation environments.
Network Administrator PeratonNetwork AdministratorWashington, D.C.$104,000–$166,000 / yearFull timeResponsibilities: As a Tier 2 Network Administrator, you'll be challenged with enterprise support problems where you will coordinate with the Network Operations Center and other Operational staff to address break fix, configuration update, schedule add moves and changes and technology upgrades and installs for Network routers and switches. A Bachelor's degree with 5+ years of experience OR a Master's degree with 3+ years of experience OR a PhD with 1+ years of experience; an additional 4 years of experience maybe considered in lieu of a degree requirement.
NewLAN VoIP Network Specialist II Senior SierTeK Ltd.LAN VoIP Network Specialist II SeniorJoint Base Andrews, MDFull timePrepare and maintain project planning documentation, create and maintain LAN/voice network maps/diagrams and presentation material and input all relevant information into network monitoring tools (e.g., Cisco Prime Infrastructure, Solar Winds).Conducting research and load any applicable software, hardware, or firmware updates to voice equipment and physically and virtually install new equipment. Integrate all relevant voice services including but not limited to conference call hosting capabilities, voicemail, Call Center Capabilities, Emergency 911 services, Dynamic Host Configuration Protocol (DHCP), T-Metrics, voicemail, and DSN access with the CUCM.Ensure all voice equipment complies with all AF Enterprise CM Policies and listed on all relevant inventories.
ZERO TRUST (ZT) NETWORK ARCHITECTURE SME Hiring Our HeroesZERO TRUST (ZT) NETWORK ARCHITECTURE SMEArlington, VAFull timeSUBJECT MATTER EXPERTISE SME Area #1 – Network Security Architecture, ZTNA & Micro-Segmentation AdvisoryExpert-level mastery of network security architecture including ZTNA design, micro-segmentation strategy, and software-defined networking demonstrated through production deployment or senior advisory engagement. CompetenciesTechnical: CISA ZTMM v2.0 Networks pillar, NIST SP 800-207, TIC 3.0, Zscaler, Palo Alto Prisma, Cisco, ZTNA architecture, micro-segmentation, BGP/OSPF/VLAN, VPN, firewall policy design, cloud networking (VPC/VNet), NIST SP 800-53, AI-assisted analysis.
Cloud Systems/Network Engineer Tier II Bowhead / UIC Technical ServicesCloud Systems/Network Engineer Tier IIQuantico, VA$115,000–$135,000 / yearAdvanced Networking: Implement VPC/VNet architectures using CIDR notation, managing DHCP/DNS configurations, and overseeing Static/Dynamic IP allocation and Lease management. Bowhead considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.
Target Digital Network Analyst (TDNA) - multiple levels - CLEARANCE and POLYGRAPH REQUIRED Constellation TechnologiesTarget Digital Network Analyst (TDNA) - multiple levels - CLEARANCE and POLYGRAPH REQUIREDColumbia, Maryland$100,000–$250,000 / yearThe benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Dental insurance with 100% employer paid premium • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. These Qualifications Would be Nice to Have: JCAC (Joint Cyber Analysis Course), Network+, Security+, Certified Ethical Hacker (CEH), Microsoft Networking, Computer Network Administrator (CNA), Certified Information Systems Security Professional (CISSP), Information Systems Security Engineering Professional (ISSEP), Certified Ethical Hacking, and Certified Information Systems Auditor (CISA).
Systems & Network Administrator Apogee Engineering, LLCSystems & Network AdministratorArlington, VirginiaFull timeThe HAF/A10 contract delivers technical, analytical, operational, programmatic, and planning subject-matter expertise to HAF/A10 and its component divisions to advance national security strategic plans, policies, concepts, and initiatives. ADPE Custodian: Perform all equipment custodian duties for Automated Data Processing Equipment (ADPE), including managing accounts, transfers, turn-ins, and coordinating all requests for new equipment and repairs.
System Administration (All Levels) - TS/SCI Poly required EmtakSystem Administration (All Levels) - TS/SCI Poly requiredAnnapolis Junction, MarylandWe are seeking System Administrators at all experience levels to support mission operations sustainment activities, including system monitoring, troubleshooting, maintenance, and operational support within large-scale Linux environments. This position is heavily focused on Linux system administration in mission-critical environments supporting high-performance computing (HPC) infrastructure and operational platforms.