Senior Cyber Defense Engineer - McLean

MANTECH seeks a skilled and innovative Cyber Engineer to support our cybersecurity operations in McLean, VA. · In this role, you will leverage your technical expertise to create, refine, and manage detection logic and signatures across a suite of enterprise cyber defense platform ...

At Lockheed Martin, we are pioneering advancements in the realms of Information Technology and Cybersecurity with a focus on delivering high-quality solutions for our diverse client base in defense and technology sectors. We seek a highly skilled Software Engineer to join our inn ...

Lockheed Martin, a global leader in aerospace, defense, and advanced technologies, is seeking a highly skilled Software Engineer with Polygraph Senior Level 2 (SR SWE2) to join our dynamic IT and Data Management team. At Lockheed Martin, we're committed to ethical standards, incl ...

Join Lockheed Martin, a leader in the Defense & Aerospace industry, where innovation, ethics, and teamwork are valued. As a Senior Software Engineer Staff in our IT & Cybersecurity department, you will contribute to cutting-edge projects that reinforce national security. You will ...

· Overview · We are looking for an entry level IT Security Analyst summer intern to perform the day-to-day operations of the security solutions and use these solutions to identify, investigate and resolve security incidents on the network. This is a great opportunity for someone ...

We are looking for an Intermediate Firewall Engineer to design and implement secure rulesets optimize policies troubleshoot complex sessions and support upgrades migrations across multivendor environments The candidate will ensure resilient perimeter defenses compliant change pra ...

We are looking for an Intermediate Firewall Engineer to design and implement secure rulesets optimize policies troubleshoot complex sessions and support upgradesmigrations across multivendor environments. · ...

MANTECH seeks a skilled and innovative Cyber Threat Hunt Analyst to support our cybersecurity operations in McLean, VA. · As a Cyber Threat Hunter, you will be responsible for proactively detecting, investigating, and mitigating cyber threats within our large enterprise environme ...

We are looking for an Intermediate Firewall Engineer to design and implement secure rulesets optimize policies troubleshoot complex sessions and support upgradesmigrations across multivendor environments · Bachelors Degree with 2- 5 years in role or more than 5-8 years in role · ...

Peraton is seeking an experienced Cyber Operations SME to join our talented team of technical and business experts providing key operational and mission support to a SI/SETA mission for a customer in Virginia. · ...

Job ID: 712529BR · Date posted: Dec. 05, 2025 · Description:THE WORK · This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This posit ...

We are seeking an Accounts Payable Specialist to join our accounting team at our corporate headquarters in McLean VA. · Process and manage daily vendor invoices for payment into Costpoint. · Maintain and organize a large volume AP mailbox coordinating approval distributions. · ...

The Mission Starts Here · TheIncLab engineers and delivers intelligent digital applications and platforms that revolutionize how our customers and mission-critical teams achieve success. · We are where innovation meets purpose; and where your career can meet purpose as well.  · ...

We are seeking an experienced Lead Network Engineer to support the design and maintenance of sophisticated accredited enterprise networks for an IC customer. · Lead enterprise network design efforts · Evaluate and integrate new network technologies · Configure routers, multilayer ...

The Mission Starts Here · TheIncLab engineers and delivers intelligent digital applications and platforms that revolutionize how our customers and mission-critical teams achieve success. · We are where innovation meets purpose; and where your career can meet purpose as well.  We ...

The Mission Starts Here · TheIncLab engineers and delivers intelligent digital applications and platforms that revolutionize how our customers and mission-critical teams achieve success. · We are where innovation meets purpose; and where your career can meet purpose as well.  We ...

Job summaryAretum is seeking a skilled and motivated Senior DevOps Engineer. As a Senior DevOps Engineer, you will manage a DevOps team that is implementing and executing processes to create and fully maintain automated CI/CD pipelines for application deployments in an AWS enviro ...

Peraton is seeking experienced Signals Intelligence SMEs (SIGINT SME) to join our talented team of technical and business experts providing key operational and mission support to a SI/SETA mission for a customer in Virginia. · ...

As a highly skilled Database Administrator (DBA), you'll bring your expertise in Microsoft SQL Server and a solid understanding of Identity, Credential, and Access Management (ICAM) systems. In this role, you will manage and optimize our database environments supporting ICAM impl ...

: Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Markon is seeking an experienced AI Engineer to support a mission-critical Intelligence Community customer. This position focuses on applying advanced analytics and agentic ...

The Mission Starts Here  · TheIncLab engineers and delivers intelligent digital applications and platforms that revolutionize how our customers and mission-critical teams achieve success.   · We are where innovation meets purpose; and where your career can meet purpose as well.  ...