Senior Software Engineer (SWE-4) LeidosSenior Software Engineer (SWE-4)MarylandMission Focus : Work directly with Marine Corps Forces Cyberspace Command (MFCC), the Cyber Mission Force (CMF), as well as software engineers to solve the most demanding strategic problems; perform end-to-end software engineering to develop, integrate, test, and deploy tools and tradecraft into the customer’s corporate architecture. The software engineer will work closely with engineers and end users to support in research and development of software products designed to exploit vulnerabilities of adversary technology, develop and optimize algorithms, author scripts and develop utility software.
Test Engineer SME LeidosTest Engineer SMEBethesda, Maryland$154,050–$278,475 / yearDevelop test validation scripts using program designated languages (ex: Python); and also develop automated test cases using knowledge of custom Applications through designated GUI/COTS products (ex: Selenium and Katalon Studio). Collaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets.
Senior Software Engineer LeidosSenior Software EngineerAnnapolis Junction, MarylandJuly 22, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Junior Manual Test Engineer LeidosJunior Manual Test EngineerAnnapolis Junction, MarylandThe selected candidate will perform component, integration, and system level testing by writing and executing system-level test procedures, evaluating changes made to software applications, and verifying defect corrective actions discovered during development, testing, and/or operational use. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Sr. Marklogic Developer LeidosSr. Marklogic DeveloperBethesda, MarylandAdditionally, based on a DevOps framework, you will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. January 21, 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.
Junior Software Engineer (SWE-1) LeidosJunior Software Engineer (SWE-1)MarylandOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. June 15, 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.
Joint Cyberspace Operations Planner Huntington Ingalls Industries IncJoint Cyberspace Operations Plannerfort meade, MD$72,000–$88,000 / yearDemonstrating expertise on the lifecycle of the network threats, attack vectors and methods of exploitation, the utilization, configuration, and implementation of industry capabilities including web content filters, email security capabilities, Intrusion Detection System, Intrusion Prevention System Security Event and Incident Management, Domain Name System security practices, advanced log analysis, network monitoring, network proxies, firewalls, and Access Control Lists, malware analysis reports, and alerts regarding potential malicious activity. The Warfare Systems team is currently seeking a Joint Cyberspace Operations Planner in support of an exciting new effort supporting one of our clients that is responsible for unifying the direction of cyberspace operations, strengthening DoD cyberspace capabilities, and integrating and bolstering DoDs cyber expertise.
System Administrator, SME Navstar, Inc.System Administrator, SMEfort meade, MD$200,000–$250,000 / yearYou will lead, evolve, and maintain a dynamic, modern DevOps architecture, often based on open-source technology and not relying on corporate baselines, to support software developers, phased system upgrades, compliance, and improvements aimed at ensuring continued execution of the customer''s mission. Role Description: Design, maintain, and support operations and maintenance (O&M) activities of a large enclave comprised of various hardware, software, and network components to include server architecture, virtual machines, managed switches, NAS, VLANs, and VPNs.
Mid‑Level Systems Integration Engineer (Linux, Unix, C) IDS International Government Services LLCMid‑Level Systems Integration Engineer (Linux, Unix, C)Annapolis Junction, MD$110,000–$130,000 / yearRelevant experience must include computer or information systems design or development, programming, information or cyber security, network security, vulnerability analysis, computer forensics, information assurance, or systems engineering. Bachelor's degree with five (5) years of relevant experience, or Master's degree with three (3) years, or Associate's degree with seven (7) years, or high school diploma/GED with nine (9) years of relevant experience.
Sr Principal Cyber Systems Engineer (S) Northrop Grumman CorpSr Principal Cyber Systems Engineer (S)Annapolis Junction, MD$156,400–$234,600 / yearWhat You''ll Get to Do: A Cybersecurity Systems Engineer (CSSE) will implement weapon system requirements to ensure cyber survivability attributes are implemented in system designs as it assesses/evaluates the customers'/stakeholders' cybersecurity requirements to decompose, derive, and refine the system's cybersecurity requirements at all levels to drive the built-in cybersecurity protections to the architecture and design. Bachelor's degree with 8 years, Master's degree with 6 years, or a PhD with 4 years of experience in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, Computer Science, or 14 years' experience in a cyber systems engineering related fields in lieu of a degree.
Cyber Systems Engineer (S) Northrop Grumman CorpCyber Systems Engineer (S)Annapolis Junction, MD$101,000–$151,400 / yearWhat You''ll Get to Do: A Cybersecurity Systems Engineer (CSSE) will implement weapon system requirements to ensure cyber survivability attributes are implemented in system designs as it assesses/evaluates the customers'/stakeholders' cybersecurity requirements to decompose, derive, and refine the system's cybersecurity requirements at all levels to drive the built-in cybersecurity protections to the architecture and design. Bachelor's degree with 2 years of experience in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, Computer Science, or 6 years' experience in a cyber system engineering related fields in lieu of a degree.
Target Digital Network Analyst (TDNA) Level 2 AeroVironment IncTarget Digital Network Analyst (TDNA) Level 2jessup, MD$83,500–$210,000 / yearDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. Be a part of the team that developed the world's most widely used military drones and created the first submarine-launched reconnaissance drone, and has seven innovative vehicles that are part of the Smithsonian Institution's permanent collection in Washington, DC.
NewNetwork Administrator - Active Secret Clearance Macpower Digital Assets Edge Private LimitedNetwork Administrator - Active Secret ClearanceAnnapolis Junction, MD$90,000–$100,000 / yearPhysical & Environmental Demands: Ability to move throughout office and data center environments, including frequent walking, standing, and navigating between work locations, as well as occasionally lifting and moving equipment or materials weighing up to 50 pounds. Configuration & Monitoring: Minimum of 5 years of hands-on experience in network configuration, monitoring, and utilizing monitoring tools like SolarWinds and NetCool.
Target Digital Network Analyst (TDNA) Level 1 AeroVironment IncTarget Digital Network Analyst (TDNA) Level 1Jessup, MD$50,000–$90,000 / yearDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. Agencies of the U.S. Department of Defense and allied military services use the companys hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition.
Information System Security Engineer (ISSE) PeratonInformation System Security Engineer (ISSE)Annapolis Junction, Maryland$146,000–$234,000 / yearFull timeImplements security systems by specifying intrusion detection methodologies and equipment; directing equipment and software installation and calibration; preparing preventive and reactive measures; creating, transmitting, and maintaining keys; providing technical support; completing documentation. Experience administrating, configuring, and troubleshooting core modules such as Enterprise Password Vault (EPV), Password Vault Web Access (PVWA), Central Policy Manager (CPM), and Privileged Session Manager (PSM) in CyberArk.
Senior System Engineer ManTech International CorpSenior System EngineerLaurel, MD$128,000–$214,400 / yearAs a Senior Network Engineer/Architect, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.
Jr Information System Security Engineer (ISSE) PeratonJr Information System Security Engineer (ISSE)Annapolis Junction, Maryland$112,000–$179,000 / yearFull timeImplements security systems by specifying intrusion detection methodologies and equipment; directing equipment and software installation and calibration; preparing preventive and reactive measures; creating, transmitting, and maintaining keys; providing technical support; completing documentation. Experience administrating, configuring, and troubleshooting core modules such as Enterprise Password Vault (EPV), Password Vault Web Access (PVWA), Central Policy Manager (CPM), and Privileged Session Manager (PSM) in CyberArk.
Hardware Technician 1 Orion ConsortiumHardware Technician 1Columbia, MDInfrastructure Maintenance:Maintain and support government and/or vendor-manufactured fiber optic modems, multiplexers, fiber optic/Ethernet cables, and telephone systems to ensure robust and reliable connectivity.- Responsibilities: - Advanced Technical Support:Deliver Tier 2 and 3 support for computer workstations, servers, printers, peripherals, and teleconferencing equipment both on-site and remotely.
Deputy Operations Lead / Active Top Secret PeratonDeputy Operations Lead / Active Top SecretBeltsville, Maryland$86,000–$138,000 / yearFull timeThe role supports the Operations Lead – Engineering by providing technical and operational leadership to a multidisciplinary team of system administrators, network engineers, and cybersecurity engineers responsible for ensuring 24x7x365 operational readiness of SOC infrastructure and services. (Applicants must currently hold one of the following or obtain one prior to start; continued certification required): CAP; CASP+ CE; CCISO; CCNA-Security; CISM; CISSP (or Associate); CND; CSSLP; CySA+; GICSP; GSEC; GSLC; Security+ CE; SSCP; PPDA; Agile IC; SNOW App Dev.
Cyber Fusion and Threats Analyst LeidosCyber Fusion and Threats AnalystOdenton, MarylandSynthesize, summarize, consolidate and share potentially malicious activities on the DoDIN with DISA and mission partner organizations by creating incident reports, wiki updates, collaboration/chat tippers and notifications, DoD incident handling database queries, metrics, and trend reports. The Leidos Digital Sector has a current job opportunity for a Cyber Fusion and Threats Analyst on our GSM-O II DISA Command Comprehensive Support Services (DCCSS) program supporting the 24x7 operations at the DISA Joint Operations Center (D2OC) on Ft. Meade, MD.