NewPalo Alto Firewall Engineer System OnePalo Alto Firewall EngineerSpringfield, VA$80 / hourDeep practical knowledge of legacy Gen 2/Gen 3 Palo Alto hardware, including PA-3000 and PA-5000 series platforms, legacy CLI, hardware troubleshooting, and line-card replacements. Advanced understanding of BGP, OSPF, IPSec VPNs, NAT, TLS/SSL, mutual TLS (mTLS), HTTP, SAML, OAuth, OCSP revocation, DoD PKI, Kerberos, LDAP, and Active Directory.
NewJr Software Engineer Twenty80 LLCJr Software EngineerColumbia, MDIf you're passionate about understanding how software works at a low level, uncovering security flaws, and building impactful technical solutions, this opportunity offers the chance to work on challenging, mission-focused projects. Proven experience in vulnerability research, including identifying zero-day vulnerabilities, logic flaws, memory corruption issues, and other security weaknesses.
NewIT- Cyber Security Architect/ Engineer III PlanIT GroupIT- Cyber Security Architect/ Engineer IIIFalls Church, VASecuring AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.
NewSystem Engineer Varada DefenseSystem EngineerLinthicum, MDWorking knowledge of the DoD Information Network (DODIN), DoD IT system and network certification and accreditation processes (i.e., RMF), to include system security authorization agreements and current and emerging cybersecurity threats. This role involves evaluating vulnerabilities, translating threat intelligence into technical mitigations, and supporting C3I systems engineering efforts.
NewTransport Network Automation Engineer JobotTransport Network Automation EngineerMONTGOMRY VLG, MD$120,000–$150,000 / yearThe ideal candidate combines deep enterprise networking expertise with strong network automation skills and will help improve the repeatability, reliability, security, and traceability of multi-site network deployments while reducing manual configuration and engineering effort. We are seeking an experienced Transport Network Automation Engineer to design, develop, and maintain an end-to-end network automation framework that transforms engineering designs into validated, device-specific configurations and controlled production deployments.
NewSr. VoIO/VTC Telephony Engineer JobotSr. VoIO/VTC Telephony EngineerMONTGOMRY VLG, MD$120,000–$150,000 / yearDesign and integrate multi-vendor VTC and audiovisual collaboration environments, including Cisco Room Series, Webex, Poly, Microsoft Teams Rooms, Crestron, Zoom Rooms, and comparable technologies. Engineer enterprise dial plans, E.164 number normalization, digit manipulation, call routing, SIP trunking, carrier connectivity, PSTN services, voice gateways, voicemail, and emergency-calling capabilities.
Systems Engineer – Air Traffic Management JobotSystems Engineer – Air Traffic ManagementGaithersburg, MDRemote$140,000–$170,000 / yearThe ideal candidate has a strong background in formal systems engineering environments and is comfortable translating complex operational needs into well-defined technical requirements while working closely with customers, software teams, integration/test teams, and other engineering disciplines. With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential.
NewSystem Test Engineer (Voice Systems) JobotSystem Test Engineer (Voice Systems)Millersville, MD$120,000–$180,000 / yearThe ideal candidate will have a proven track record in testing Mission Critical and/or Air Traffic Management (ATM) systems, network infrastructure, and radio-telephone communications software and hardware elements. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewVoice System Test Engineer (FAA) JobotVoice System Test Engineer (FAA)Columbia, MD$120,000–$180,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are committed to creating an environment where employees are empowered to make an impact, work alongside highly talented teams, and contribute to meaningful, mission-critical initiatives in a supportive and forward-thinking workplace.
System Performance Test Engineer (VoIP) JobotSystem Performance Test Engineer (VoIP)Columbia, MD$120,000–$180,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
NewDevSecOps Engineer Flex Staffing ResourcesDevSecOps EngineerWashington, DC$120,000–$140,000 / yearHands-on CI/CD pipeline automation with security gates using AWS-native tools (CodePipeline, CodeBuild) or comparable tools (GitHub Actions, GitLab CI). We are exclusively recruiting for a rapidly growing AI and data innovation hub that helps the US government solve hard problems and deliver better outcomes.
M365 Engineer LeidosM365 EngineerBethesda, MD$107,900–$195,050Engineer, administer, and provide lifecycle support for Microsoft 365 (government community cloud (GCC) services including but not limited to: Entra ID (Azure AD), Exchange Online, Intune, Teams, Power Platform, Purview. Leidos Dig Mod Health IT division is seeking a skilled and collaborative M365 Engineer to support the HHS enterprise by managing all aspects of Microsoft 365 Government Community Cloud (GCC) Software as a Service (SAAS) offering.
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.
NewIT Security Specialist PlanIT GroupIT Security SpecialistReston, VAManages and administers a wide range of security systems and tools: o Administers cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions. o Operates cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions.
Firewall Engineer LeidosFirewall EngineerArlington, VA$92,300–$166,850 / yearAs part of this task order, Leidos will manage the commercial cloud migration and fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services – ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model. Identify and remediate misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers.
Mid-Level OT/IT Network Engineer (Transportation) LeidosMid-Level OT/IT Network Engineer (Transportation)McLean, VA$110,000–$130,000 / yearThe Mid-Level OT/IT Network Engineer is a hands-on owner of STOL's network and connected-vehicle testbed infrastructure — designing, administering, securing, documenting, and troubleshooting the networks connecting lab systems, field sites, roadside infrastructure, edge platforms, and connected-vehicle devices. You'll also carry meaningful responsibility for the network's federal security authorization posture — security documentation, Authorization to Operate (ATO) and Risk Management Framework (RMF) artifacts, Plans of Action and Milestones (POA&Ms), and vulnerability remediation — in partnership with the program's cybersecurity and Corporate Information Security (CIS) team.
NewLead Cyber Vulnerability Researcher Johns Hopkins Applied Physics Laboratory (APL)Lead Cyber Vulnerability ResearcherLaurel, MDThe Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewAWS Cloud Security Architect System OneAWS Cloud Security ArchitectReston, VA$156,300 / yearProvide security architecture guidance for enterprise applications, AWS cloud environments, hybrid infrastructure, cybersecurity platforms, APIs, containers, data solutions, and AI enabled applications. Support secure AI/GenAI adoption, including LLM integrations, RAG implementations, prompt security, data protection, access controls, monitoring, logging, and human in the loop safeguards.
Network Engineering/Operations Site Lead LeidosNetwork Engineering/Operations Site LeadFort Belvoir, VA$116,350–$210,325 / yearThe successful candidate will understand enterprise networking and cybersecurity well enough to ask the right questions, assess risk, remove barriers, and make sound management decisions—but will rely on the technical expertise of the engineering team for detailed design and implementation. Experience with enterprise networking technologies and environments, including Cisco routing and switching, Palo Alto firewalls, Cisco Identity Services Engine (ISE), Cisco Unified Communications Manager (CUCM), Cisco Nexus, Cisco Application Centric Infrastructure (ACI), or similar platforms.
Cybersecurity Engineer / Cybersecurity Subject Matter Expert (SME) – Army Tactical System CACICybersecurity Engineer / Cybersecurity Subject Matter Expert (SME) – Army Tactical SystemFort Belvoir, Virginia$103,800–$218,100 / yearJob Title: Cybersecurity Engineer / Cybersecurity Subject Matter Expert (SME) – Army Tactical SystemJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 25%Type of Travel: Continental US* * * The Opportunity: The Cybersecurity Engineer / SME will support cybersecurity activities for an Army tactical system, with emphasis on Risk Management Framework (RMF), Army cybersecurity compliance, vulnerability management, DISA STIG reviews, cyber scan analysis, and authorization support. Coordinate with Government stakeholders, Authorizing Officials (AO), Security Control Assessors (SCA), system engineers, software developers, cloud teams, vendors, and assessors to resolve cybersecurity findings and drive remediation efforts to closure.