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.
Staff Network Engineer VisaStaff Network EngineerAshburn, VA$131,600–$210,300 / yearThis role is responsible for planning, designing, and implementing networked systems, including configurations, supporting and troubleshooting network problems, and coordinating with vendors for installation of routers, bridges, concentrators, and switches. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Senior Network Engineer LeidosSenior Network EngineerAccokeek, MD$107,900–$195,050The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). If 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.
NewInformation System Security Officer PlanIT GroupInformation System Security OfficerReston, VAConducts assessments of threats and vulnerabilities, determines deviations from acceptable configurations or enterprise or local policy, assesses the level of risk, and develops and/or recommends appropriate mitigation countermeasures in operational and non-operational situations. Task description and/or any specific requirements: • Ability to manage responsibility for security assessments of a variety of applications or domains, to include cloud computing, and to manage several project/initiatives of large size, complexity, and risk.
NewSenior Cloud Security Specialist (AWS) System OneSenior Cloud Security Specialist (AWS)Washington, DCStrong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. • Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.
NewSenior Cloud Security Architect PlanIT GroupSenior Cloud Security ArchitectReston, VAAI-Native Security Strategy: Architect specialized security frameworks for AI/ML pipelines, focusing on data privacy for training sets, model integrity, and securing LLM-integrated applications against emerging attack vectors. • Threat Modeling & Resilience: Conduct deep-dive threat modeling for complex cloud-native systems, simulating advanced persistent threats (APTs) and "blast radius" scenarios to strengthen system resilience.
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.
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.
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.
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 Belvoir, VAFull 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.
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 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.
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.