Senior Software Engineer Alarm.com IncorporatedSenior Software EngineerTysons Corner, VA$112,650–$147,801 / yearOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
System Engineer (Govcon) Remote NtivaSystem Engineer (Govcon) RemoteMclean, VARemote$70,000–$90,000 / yearThis includes following Ntiva's IT User and Security Policies that include but are not limited to password-protecting all equipment, keeping confidential and proprietary documents secure, refraining from using public Wi-Fi, having adequate arrangements in place to avoid significant interruptions from caregiving responsibilities during work hours (except in emergency situations with manager approval). As a Systems Engineer (GovCon), you will provide advanced technical support for internal GovCon systems and external customers while serving as an escalation point for complex technical and compliance-related issues.
Systems Engineer/Developer (Ts/Sci W/ Poly) - Mission Critical Leading Path ConsultingSystems Engineer/Developer (Ts/Sci W/ Poly) - Mission CriticalMcLean, VAThe ideal candidate is a technical leader and doer, not just an advisor - someone who can seamlessly collaborate across infrastructure, platform, application, DevSecOps, information systems security, and data teams while maintaining ownership of system reliability, performance, scalability, and security. This role requires a proven practitioner who can analyze existing (as-is) systems and applications, document current state architectures, design future-state solutions, and implement system enhancements or technology transformations end-to- end.
Systems Engineer/Developer (TS/SCI w/ Poly) - Mission Critical Leading Path ConsultingSystems Engineer/Developer (TS/SCI w/ Poly) - Mission CriticalMcLean, VA$175,000–$300,000The ideal candidate is a technical leader and doer, not just an advisor - someone who can seamlessly collaborate across infrastructure, platform, application, DevSecOps, information systems security, and data teams while maintaining ownership of system reliability, performance, scalability, and security. This role requires a proven practitioner who can analyze existing (as-is) systems and applications, document current state architectures, design future-state solutions, and implement system enhancements or technology transformations end-to- end.
Senior Software Engineer Alarm.comSenior Software EngineerTysons Corner, VA$112,650–$147,801 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Network Engineer LeidosNetwork EngineerWashington DC, District of ColumbiaThe successful candidate will be responsible for managing the agencies’ local area network (LAN) and Wi-Fi, maintaining and upgrading network infrastructure, including wired and wireless access points, Zscaler Client-Connector end-user host clients, and Zscaler App-Connector instances, managing and configuring Zscaler Zero-Trust access policies, and providing security upgrades. July 24, 2026 For 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.
NewAI Engineer - SME ARSIEMAI Engineer - SMEColumbia, MDThis role is intended for a hands-on technical professional who understands how modern AI systems are built and can help guide teams developing practical solutions using large language models, agentic workflows, orchestration frameworks, and supporting software infrastructure. Working knowledge of one or more agentic or orchestration frameworks such as LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Haystack, LlamaIndex, or similar ecosystems.
Information Systems Security Engineer Level 2 (ISSE 2) ARSIEMInformation Systems Security Engineer Level 2 (ISSE 2)Columbia, MDSupport security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering designs. ARSIEM is currently looking for an Information Systems Security Engineer 2 to participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments.
Information Systems Security Engineer (ISSE) WILLCORInformation Systems Security Engineer (ISSE)MarylandWe are seeking a highly skilled Information Systems Security Engineer (ISSE) to support cybersecurity assessments and Risk Management Framework (RMF) evaluations for both classified and unclassified networks. The ideal candidate will have a strong background in network security, cryptography, and cloud computing and possess the ability to conduct in-depth security reviews, develop countermeasures, and create technical security documentation.
Senior Network & CyberSecurity Engineer MAG AerospaceSenior Network & CyberSecurity EngineerAberdeen Proving Ground, Maryland$120,000–$150,000 / yearFull timeThe Senior Network & Cybersecurity Systems Engineer provides advanced technical, cybersecurity, and information assurance expertise to sustain, secure, and enhance laboratory networks, IT systems, and mission‑critical infrastructure supporting Government operations. Salary at MAG Aerospace is determined by various factors including but not limited to location, the particular combination of education, knowledge, skills, competencies, and experience as well as contract-specific affordability and organizational requirements.
NewDevSecOps Engineer Integrated Solutions for Systems, Inc.DevSecOps EngineerAberdeen, MDExperience developing, testing, and delivering applications within a DevSecOps framework including proficiency with common platforms and environments such as GitLab, AWS, Azure, etc. The person or persons filling this position will integrate into an existing, multi-disciplinary team to create, develop, integrate, and deploy solutions used by warfighters.
Principal Network Security Engineer Alarm.comPrincipal Network Security EngineerTysons, VA$167,500–$185,250 / yearWe collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. The categories of Personal Information that we may collect include your name, government-issued identification number(s), email address, mailing address, other contact information, emergency contact information, employment history, educational history, criminal record, and demographic information.
NewSenior Specialist Environmental Health and Safety L3Harris TechnologiesSenior Specialist Environmental Health and SafetyMillersville, MD$102,000–$188,000 / yearSupports incident investigations and data/trend analysis to determine root cause, produces and maintains necessary documentation and ensures that all applicable reporting requirements are performed accurately and in a timely manner. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Web Application Security Engineer (AppSec / DevSecOps) Essnova Solutions, Inc.Web Application Security Engineer (AppSec / DevSecOps)Washington, DCEssnova Solutions is seeking an experienced Web Application Security Engineer to support a federal customer by integrating security throughout the software development lifecycle (SDLC) and protecting enterprise web applications and APIs from evolving cyber threats. Essnova Solutions is a growing technology consulting firm delivering innovative IT, cloud, cybersecurity, engineering, and digital transformation solutions to Federal Government clients.
NewNetwork Engineer - AI Experience - Senior ACKtive Engineering Solutions LLCNetwork Engineer - AI Experience - SeniorLinthicum Heights, MD$310,271.70–$360,638.94 / yearMaintain, monitor, troubleshoot, and dianose and resolve problems with Cisco ASA firewalls, Cisco Intrusion Detection/Prevention Systems, Cisco VPNs, Cisco 3750 series switches, and Cisco management applications. Strong AI skills across other disciplines who could provide expertise to the wide-ranging AI issues aworking group is looking to tackle (software development, hardware engineering, systems engineering, etc).
NewDevSecOps / Security Engineer ZantechDevSecOps / Security EngineerArlington, VAThe DevSecOps / Security Engineer serves as the lead technical engineer for automation, CI/CD, and security posture of the cloud infrastructure, directly executing Technical Infrastructure and Platform Support requirements and supporting continuous Authority to Operate (ATO) under the DoD Risk Management Framework. 5 years supporting the Risk Management Framework (RMF) for DoD or federal systems, including DISA STIGs, vulnerability assessments, and patching/remediation.
Senior Cloud Security Engineer Anduril Industries IncSenior Cloud Security EngineerWashington, DC$166,000–$220,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.
Network Software Engineer Johns Hopkins Applied Physics LaboratoryNetwork Software EngineerLaurel, MarylandFull timeAs a member of our team, you will be responsible for the design, development, integration, and test of communications and network software, including protocol implementation, network services, and distributed systems for the Government across numerous departments and agencies. Architect, develop, integrate, and test software-based command and control, secure communication, and networking systems in operationally-realistic environments, working closely with sponsors to ensure mission success.
NewDevSecOps Engineer Dark Wolf SolutionsDevSecOps EngineerArlington, VA$155,000–$185,000 / yearThe focus for this individual will be on automating deployment and security controls and building self-service platform tools to eliminate manual bottlenecks, ensuring continuous compliance and maintaining the Authority to Operate (ATO) across all environments. Proven experience designing, deploying, operating, and maintaining secure Cloud products and services within a Cloud-based environment to enable development teams to deliver features in the most efficient way possible.
Senior AI/ML Security Engineer Markesman GroupSenior AI/ML Security EngineerFort Meade, MarylandThis role focuses on identifying vulnerabilities, conducting red-team assessments, and analyzing model behavior to understand potential security risks and operational impacts. The AI / ML Security Engineer will support the evaluation, testing, and security assessment of machine learning systems, including large language models (LLMs).