Network Support Specialist GStek Inc.Network Support SpecialistFort Meade, MD$85,000–$90,000 / yearFull timeClearance: Selected candidates will be subject to a government security investigation and must meet eligibility requirements for access to classified information. GStek encourages veterans, disabled veterans, and disabled individuals to apply for any open position for which they feel they are qualified.
NewPhysical Security/Information Assurance (PS/IA) Specialist 1 ESC, Inc.Physical Security/Information Assurance (PS/IA) Specialist 1Joint Base Andrews, MD$110,000–$115,000 / yearContractorFull timeThis position provides physical security (PS) and information assurance (IA) support for collateral, SCI and SAP systems in accordance with JSIG and other DoD and national guidance for facilities with internal networks and guest systems.
CyberArk Security Engineer Base One TechnologyCyberArk Security EngineerArlington, VA$155,000–$190,000 / yearContractorFull timeBS degree in Science, Technology, Engineering, Math or related field and 5-7 years of prior relevant experience with a focus on cybersecurity. Experience installing, configuring, and maintaining tools such as Tanium, Nessus, Forescout, and Cyberark in a hybrid-cloud environment.
NewL3 Network Support Engineer System OneL3 Network Support EngineerHighland Beach, MDExperience with Linux on virtualized platforms (OpenStack, OpenShift, VMware, Microsoft Azure), with strong expertise in Red Hat Enterprise Linux (RHEL), including Subscriptions, Licensing, IdM Server, and Satellite Server. Experience designing and implementing secure, robust network architectures including VPNs, VLANs, and firewall configurations; hands-on experience with Cisco, Juniper, and open-source tools such as FRR routing.
Cyber Security Watch Officer LeidosCyber Security Watch OfficerOdenton, MD$69,550–$125,725 / yearAssist senior CSWOs in providing technical oversight of information security services and customer support initiatives, by updating DoD shared SA and knowledge management (KM) tools, including CMDNet, websites, blogs, and wikis, chat, collaboration tools, and portals. CSWOs are principally engaged in the triage of events, cyber incident handling, network analysis and threat detection, trend analysis, metric development, vulnerability information dissemination, and the DoD Cyber Security Service Provider (CSSP) methodology.
Systems Engineer II CredenceSystems Engineer IIAberdeen Proving Ground, MD$105,000–$145,000Bachelor’s degree in Engineering or Systems Engineering and at least three years of systems engineering experience supporting DoD systems; orMaster’s degree in Engineering, Systems Engineering, or a closely related discipline and at least one year of systems engineering experience supporting DoD systems. The Systems Engineer will work with government clients, product teams, platform representatives, vendors, and other stakeholders to develop technical solutions, manage requirements, assess program performance, and support the integration of classified and unclassified PNT capabilities on Army platforms.
NewCloud Engineer - Secret Clearance Required System OneCloud Engineer - Secret Clearance RequiredWashington, DC$90–$110 / hourBuild Landing Zone including AWS Organizations, SCPs, account vending, KMS, monitoring stack, and Infrastructure as Code (IaC). System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Endpoint Engineer LeidosEndpoint EngineerBowie, MD$87,100–$157,450Ensure proper OS images are deployed to all endpoint devises, test and manage software updates, ensure appropriate and enforce security policies (EDR/AV), and automate workflows to ensure stable, compliant, and efficient computing environments for endpoint migrations. The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office.
Cloud Engineer LeidosCloud EngineerArlington, VA$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 25, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Systems Engineer LeidosSystems EngineerTemple Hills, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Open Talent Network: Senior Network/Security Engineer Ad HocOpen Talent Network: Senior Network/Security EngineerMc Lean, VARemote$153,000–$187,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. Experience with Palo Alto, panorama OS (PAN-OS), Firewalls, SIEM, Security Configuration Management (SCM), migration, security and compliance, RBAC and access models, Data Loss Prevention (DLP), Strata Cloud Manager.
Senior Network Security Engineer :: Bethesda, MD (Remote) ARK Solutions, Inc.Senior Network Security Engineer :: Bethesda, MD (Remote)Bethesda, MDRemoteSeeking for a Senior Network Security Engineer where you will be a technical leader responsible for designing and implementing our network security strategy and firewall management platforms. Collaborate with a global team of network architects and engineers to enhance our security operations and ensure compliance across all networks.
Palo Alto Network Security Engineer Sedulous Consulting Services LLCPalo Alto Network Security EngineerFort Meade, MDFull timeDemonstrated hands-on experience with:PAN-OSSecurity/NAT policiesApp-IDUser-IDGlobalProtectVPN/IPsecHigh AvailabilityRoutingZones/interfacesThreat PreventionLoggingPanorama and/or Strata Cloud ManagerFirewall upgrades and troubleshootingMust possess an active Palo Alto Networks Certified Next-Generation Firewall Engineer certification or active legacy PCNSE certification. TRAVEL REQUIREMENTS: Up to 25%Clearance Required: Active TS/SCI Security Clearance Employment Type: Full-Time About the OpportunitySedulous Consulting Services, LLC is seeking a Mid-Level Palo Alto Network Security Engineer to provide network and cybersecurity engineering support within a Department of Defense (DoD) environment.
Networking Security Engineer II CACINetworking Security Engineer IIColumbia, MarylandPay 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. Bachelor’s degree in Communications Engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related disciple from an accredited college or university is required.
Sr. Network Security Engineer Global Channel ManagementSr. Network Security EngineerBaltimore, MarylandWorking knowledge of cybersecurity controls and technologies, such as Intrusion Detection/Prevention Systems (IPS/IDS), Security Incident Event Managers (SIEM), Public Key Infrastructure (PKI), Tunnel Layer Security (TLS), Endpoint Detection and Response (EDR), and Threat Intelligence platforms. Extensive technical knowledge in at least 3 of the following areas: Network Segmentation Techniques, Secure Web Gateways, Next-Generation Firewalls, Network Admission Control Systems, Hybrid Cloud Environments (AWS, Azure), Wireless Security, or DHCP, DNS and IPAM (DDI), Virtual Private Network (VPN).
Senior Network Security Engineer CACISenior Network Security EngineerColumbia, MarylandPay 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. We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
Network Security Engineer CACINetwork Security EngineerColumbia, MarylandPay 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. We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
Network Security Engineer - long-Term Contract (Government) Position AHU TechnologiesNetwork Security Engineer - long-Term Contract (Government) PositionWashington, District of ColumbiaTITLE: Network Security Engineer LOCATION: Washington DC/ Hybrid (on-site 3x/week) MINIMUM EDUCATION: Bachelor’s degree in IT, related field, or equivalent experience. Complete Description: Senior Network Security Engineer II supports the ongoing design, implementation, operation and security of the Client network and the supporting security infrastructure.
Network Security Engineer 3 ItezzNetwork Security Engineer 3Annapolis Junction, MarylandAdditional contract or position specific required experience for this level (skills, technologies, expertise): Computer Network Operations NSE-3/Architecture Lead Network - Ten (10) years experience completing component testing on switches, VPN concentrators, or routers. Compensation will vary dependent upon factors including but not limited to: Government contract rates; annual hours worked; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location.