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.
Data Storage Engineer LeidosData Storage EngineerPoolesville, 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. Extensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies.
Solution Architect / Engineer LeidosSolution Architect / EngineerCheltenham, MD$131,300–$237,350This role combines high level architectural design with deep technical implementation, requiring an individual who can define target-state architectures, build and optimize solutions, and guide modernization across hybrid and multi cloud environments. Proven hands-on experience designing and implementing solutions across hybrid/multi-cloud environments (AWS and Azure strongly preferred), on-premises data centers, virtualization platforms, and containerized workloads (e.g., Kubernetes/Docker).
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.
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.
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.
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.
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.
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.
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).
Network Security Engineer CymertekNetwork Security EngineerReston, VirginiaCybersecurity Engineer, Network Security Specialist, Information Security Analyst, Security Operations Center (SOC) Analyst, IT Security Engineer, Network Security Administrator, Cyber Defense Analyst, Security Architect, Penetration Tester, etc. Computer Science, Information Technology, Cybersecurity, Network Engineering, Information Systems, Software Engineering, Electrical Engineering, Data Science, Computer Engineering, etc.
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.
Network Security Engineer PeratonNetwork Security EngineerChantilly, Virginia$176,000–$282,000 / yearFull timeAs 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. Peraton Overview: Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy.
Cyber Network Security Engineer CACI International IncCyber Network Security EngineerChantilly, VA$94,400–$198,200 / yearQualifications: Required: Approximately seven years of experience as an infrastructure operator Proficiency working in a Linux environment - Centos, Ubuntu, Fedora, Solaris, Backtrack Database experience, to include writing complex queries and modifying schemas (e.g. You'll evaluate tools and methodologies, assess adversary intent, develop cybersecurity analytics and other techniques to thwart or detect attacks, develop approaches to automate cybersecurity operations, and engage in research to improve the state of the practice.
Network Security Engineer 2 ItezzNetwork Security Engineer 2Annapolis Junction, MarylandCompensation 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. Bachelor’s degree in Communications Engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related discipline from an accredited college or university is required.
Network Security Engineer 1 ItezzNetwork Security Engineer 1Annapolis Junction, MarylandCapabilities: Analyze hardware specifications and system/subsystem requirements to conceive and document a practical design for hardware components to include servers, network devices, transmission media, storage devices, user interface devices, and special processors. 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.
Senior Network Security Engineer (SDN / Multi-Enclave) PeratonSenior Network Security Engineer (SDN / Multi-Enclave)College Park, Maryland$146,000–$234,000 / yearFull timeResponsibilities: Peraton Labs is seeking a poly cleared Senior Network Security Engineer (SDN / Multi-Enclave) to provide senior technical leadership for the secure design, implementation, and sustainment of network and system architectures across multiple enclaves, including environments with different data protection and classification requirements. Minimum of 12 years of experience as a Network Security Engineer (or related role) supporting DoD/IC programs, and a Bachelor’s in Computer Science, Cybersecurity Engineering, System Engineering, Network Engineering or related discipline.