Leidos
  • Huntsville, AL, United States

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Visit our UK and Australia career sites for opportunities in these locations.

For careers in our Health subsidiaries, view opportunities with QTC Management or Leidos Biomedical Research, which operates the Frederick National Laboratory for Cancer Research.

Visit the Dynetics career site to learn about opportunities with Dynetics, a Leidos Company.

Sep 15, 2023  
Description Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! The 363rd ISRW/361st ISRG/306th IS currently has an opening for an TSO Information Systems Security Officer to work at Will Rogers Air National Guard, Oklahoma. This is an exciting opportunity to use your experience to provide intelligence support to Air Force Special Operations Command. As a member of the Intelligence Support Squadron, it will be your mission to provide sustainment support of four TSE classrooms at OKC. At a high level, this includes TSE system...
Leidos Oklahoma City, OK, USA Full time
Sep 15, 2023  
Description Leidos is looking for a Senior Security Engineer (ISSE) to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a nationally significant and fast-paced program. Program execution follows DEVOPS best practices and employs robust development, test and production environments. Our team of security engineers support enhancements to system security architecture and cyber security capabilities; manage multiple system security plans for development, test and production systems at multiple classification levels following the Risk Management Framework (RMF); manage cross domain capabilities; and support Security Verification Testing (SVT) of relevant Type 1 devices. Leidos is the prime contractor providing system engineering, development, test, integration and operational support. This new program is focused on injecting new technology and adding advanced capabilities while continuing to support an on-going mission and...
Leidos Annapolis Junction, MD, USA Full time
Sep 15, 2023  
Description Looking for an opportunity to make an impact?  Unleash your potential at Leidos , where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.  If this sounds like an environment where you can thrive, keep reading!  Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. Leidos is seeking a Information Systems Security Officer (ISSO) for a position as part of a team supporting the National Nuclear Security Administration in Washington , DC area. This is an onsite position, no full-time telework allowed....
Leidos Washington, DC, USA Full time
Sep 15, 2023  
Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With Leidos, you will enjoy competitive benefits such as 5 weeks of Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Unlimited Education and Training Support, Parental Paid Leave, and more! If this sounds like an environment where you can thrive, keep reading! The Leidos Intelligence Group has a career opportunity on our newly awarded Leidos-led Prime Program for an Information Systems Security Officer (ISSO) at our customer site in Annapolis Junction, MD. Unleash Your Potential This program...
Leidos Annapolis Junction, MD, USA Full time
Sep 15, 2023  
Description Looking for a unique, innovative, and challenging IT position?  Our customer maintains a highly demanding mission and requires our support to provide expert technical and professional management support to the commands enterprise Information Technology (IT) services. The Information System Security Officer (ISSO) will support a program that provides Information Assurance support to US Space Force. This position will report directly to the Program Manager. Primary Responsibilities Under the direction of the Information Systems Security Manager provide support to ensure classified processing is performed within established standards. Assist with auditing information systems and other Continuous Monitoring (ConMon) tasks. Under the direction of the ISSM assist with the Risk Management Framework (RMF) authorization process to include developing and maintaining artifacts for the IS Body of Evidence (BoE). Ensuring Configuration Management (CM) of all...
Leidos Colorado Springs, CO, USA Full time
Sep 15, 2023  
Description Leidos is seeking a highly motivated Sr. Information Systems Security Officer (Sr. ISSO) to join our team in a classified environment. The successful candidate will maintain and secure classified information systems and ensure compliance with security protocols and regulations. This is an exciting opportunity to serve within and independently of an established Information Security team under the direction of the Information System Security Manager (ISSM) Primary Responsibilities This role may include a combination of duties to protect information and maintain security controls for an entire system, site, or program to reduce risk. High level of oral and written communication with subordinates, peers, and leadership Researching and developing technical solutions with security in mind. Possess a high level of technical writing skills. Managing a small team in support of the ISSM. Performing and overseeing appropriate system preparation and maintenance....
Leidos San Diego, CA, USA Full time
Sep 15, 2023  
Description The Cyber & SIGINT Solutions Operation at Leidos currently has an opening for an Information System Security Officer (ISSO) to work at our Annapolis Junction, MD location. This is an exciting opportunity to use your experience supporting an important, fast-paced, mission critical program. The selected candidate will act as an ISSO for a large software development program which includes software maintenance and development, IT support (Network/Workstation/Server), systems integration and life cycle support, enterprise application development, network engineering, and information systems security (ISS). They will work with other security professionals in developing and implementing strategies to detect and mitigate threats to information systems, protect critical data sets, and provide assessments of system and network vulnerabilities. They will analyze threats and develop and implement best practices methodologies for incident detection, reporting, and...
Leidos Annapolis Junction, MD, USA Full time
Sep 15, 2023  
Description As an ISSE III, you will join a small team of senior professionals providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledge, expertise and advice to our customer. There is a lot of variety in this role thus keeping you sharp in various areas of cyber. Primary Responsibilities: The ISSE shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established IA standards and regulations and recommended mitigation strategies. This includes: Validates and verifies system security requirements definitions and analysis and establishes system...
Leidos Columbia, MD, USA Full time
Sep 15, 2023  
Description Are you ready to work on projects that can potentially change the world? Join us at Leidos, where your most important work is ahead!  You will enjoy great benefits such as 5 weeks of Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Unlimited Education and Training Support, Parental Paid Leave and more! If this sounds like a place you can thrive, keep reading! The Leidos Intelligence Group has a career opportunity on our newly awarded Leidos-led Prime Program for a Senior Information Systems Security Engineer (ISSE) at our customer site in Annapolis Junction, MD. Job Summary This program is a large, multi-year contract for the development, integration, deployment, and sustainment of large, collection systems. The work that's being done on this Leidos-led, prime contract is extremely important to the government and offers its team members the opportunity to work autonomously and explore new technologies. Join a tremendous technical team...
Leidos Annapolis Junction, MD, USA Full time
Sep 15, 2023  
Description Leidos Defense Group's Cybersecurity Team is searching for an ISSE to provide cyber security and security engineering services for the National Military Command Center (NMCC) customer including system security engineering, cybersecurity risk assessments, and security architecture support. The ISSE shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established cybersecurity standards and regulations and recommended mitigation strategies. This includes: Responsible for building, deploying and Patching HBSS Windows and ACAS RedHat Linux 7.9 and 8 servers. Responsible for building, maintaining, and patching all ePO, Security Center, and Nessus servers. Provides Security Center accounts for Vulnerability Managers to scan devices within ACAS. Experience with ACAS scan results and how to remediate vulnerability findings. Knowledge of the process of obtaining licenses...
Leidos Arlington, VA, USA Full time
Sep 15, 2023  
Description The Defense Group at Leidos as an exciting opportunity as an Information Systems Security Manager ( ISSM ) on our GSM-O II IDIQ contract’s Joint Service Provider (JSP) Cyber Security Task Order in Alexandria, VA. JSP provides a full range of IT products, services, and solutions and customer services to the Office of the Secretary of Defense (OSD), Chairman of the Joint Chiefs of Staff (CJCS) and the Joint Staff (JS), Director of Administration (DA), Pentagon Force Protection Agency (PFPA), Washington Headquarters Services (WHS), and other OSD offices for them to meet mission and business requirements. Through the JSP Cyber Security program, JSP performs a wide variety of services and functions required to secure the information security posture for DoD services. Primary Responsibilities Member of an ISSM team that coordinates, reviews, validates, and approves all activities, which contribute to the Assessment and Authorization (A&A) of automated...
Leidos Alexandria, VA, USA Full time
Sep 15, 2023  
Description Qualifications:   Twenty (20) years’ experience as an ISSE on programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required. DoD 8570 compliance with IASAE Level 3 is required. A Master’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline may be substituted for two (2) years of experience, reducing the requirement to eighteen (18) years of experience. Four (4) years of additional ISSE experience may be substituted for a bachelor’s degree. TS/SCI with polygraph clearance is required. Information Systems Security Engineer (ISSE) shall possess the following capabilities: Participate as a security-engineering representative on engineering teams for the design, development, implementation and/or integration of...
Leidos Laurel, MD, USA Full time
Sep 15, 2023  
Description The Defense Group has a dynamic job opening for an Information Assurance Security Engineer/Information System Security Engineer (IASE/ISSE) to work at our customer site in Suitland, MD. All work will be performed onsite at the National Maritime Intelligence Center. In this role, you will be recognized as the subject matter expert and will have a thorough understanding of advanced technical principles, theories, and concepts in Security Engineering to include operations, engineering, technical and program management support services and associated supplies to support the cyber related requirements and operations. You will be relied upon to influence development of solutions that impact mission goals and objectives and will be expected to work independently and resolve highly complex problems using significant application of technical knowledge, conceptualizing, reasoning and interpretation of facts and requirements.  This is a great opportunity to be part of...
Leidos Suitland-Silver Hill, MD, USA Full time
Sep 15, 2023  
Description The Leidos Intelligence Group has a career opportunity in Columbia, MD. for an Information Systems Security Officer (ISSO). We are looking for a versatile, enthusiastic to work in highly flexible, team-oriented environments and who have exceptional communication, analytical and organizational skills.   Primary Responsibilities List daily duties and/or specific job responsibilities. Provides support to the Information system Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, organization, or enclave’s. Self-Starter, capable of working independently with little or no supervision. Conduct ISSO responsibilities to include the approval of change request, review of audit logs, review of system accounts, and analysis of vulnerability scans. Coordinate with DAOs, System Owners, SAs and ISSM for Security relevant changes to SSPs. Maintains operational security posture for an information system or...
Leidos Columbia, MD, USA Full time
Sep 15, 2023  
Description Leidos has an upcoming opportunity for an Information System Security Officer (ISSO) at Davis Monthan AFB in Arizona. Candidates must already possess a current TS/SCI security clearance in order to be considered. The ISSO will provide experienced and qualified personnel to perform Cybersecurity support services to assist ACC Cybersecurity Chief Information Security Officer and unit Information System Security Officers (ISSO) in maintaining an effective cybersecurity program that supports missions and adequately protects the confidentiality, integrity and availability of AF IC information resources.  Primary Responsibilities include: Develop local unit Cybersecurity programs and security plan IAW ACC, AF, IC, and DOD guidance. Gather data, analyze compliance and report results on the condition and progress of local unit Cybersecurity programs, security plans, plan of action and milestones (POA&M) and Assessment and Authorization (A&A) workflow...
Leidos Tucson, AZ, USA Full time
Sep 15, 2023  
Description The Information System Security Manger (ISSM) is the primary Information Assurance (IA) decision maker and responsible for the management and technical administration of the Information System (IS) in accordance with internal and external security requirements.  The ISSM will oversee day-to-day information system security operations, resolve complex problems, and develop innovative solution to meet changing security requirements. The ISSM will serve as the Subject Matter Expert (SME) within the Information Assurance technical domain. Ability to work independently as well as with a team of analysts trained in operations research, mathematics, and other skills.  The ideal candidate will be adaptable to diverse office situations, procedures and demands. Primary Responsibilities Continuous upkeep, monitoring, analysis, and response to Information System, network and security events.  Documents compliance activities in accordance with the governing authority...
Leidos Arlington, VA, USA Full time
Sep 15, 2023  
Description Leidos Defense Group is looking for a Information Systems Security Officer / ISSO to support the Air Force District Washington supporting the AFNCR IT Services program. Job Summary: The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and other locations, leased spaces, and alternate sites. The major support areas required are IT Operations and Maintenance; Plans, Projects, and Engineering (PP&E); and National Military Command Center (NMCC). The senior leaders and national defense missions that are supported require that the AFNCR operations never fail, resulting in a fast-paced, challenging, but also rewarding environment.  If this sounds like...
Leidos Camp Springs, MD, USA Full time
Sep 15, 2023  
Description Leidos is a Fortune 500™ company aimed at embracing and solving some of the world’s most pressing challenges. Through science and technology, Leidos makes the world safer, healthier, and more efficient. Our Civil Group offers an array of exciting career opportunities for the best IT, energy, logistics, and engineering professionals. Driven by our talented workforce, the Federal Energy, Environment, and Commerce Operation builds trust through an array of energy-related IT, environmental science, and engineering solutions to meet our customers’ needs. Key Capabilities: Large Infrastructure Mission Support Digital Modernization Command & Control Mission Applications Environmental Science Nuclear Security Engineering Services Required Security Clearance: Candidate must be able to obtain and maintain a DOE Q Clearance. This position is contingent upon clearance verification and program/customer concurrence....
Leidos Kevil, KY, USA Full time
Sep 15, 2023  
Description Leidos is hiring a Information Systems Security Officer (ISSO) in our Omaha NE office. This position reports directly to the Information Systems Security Manager (ISSM) and is an exciting opportunity to use your experience support classified information system in an advanced computing environment.  If you want to work in a diverse environment that allows you to get into every aspect of Information Assurance supporting complex computing systems, this is a great opportunity! The ISSO primary duties will include; Under the direction of the Information Systems Security Manager provide support to ensure classified processing is performed within established standards. Assist with auditing information systems and other Continuous Monitoring (ConMon) tasks Under the direction of the ISSM assist with the Risk Management Framework (RMF) authorization process to include developing and maintaining artifacts for the IS Body of Evidence (BoE). Ensuring Configuration...
Leidos Omaha, NE, USA Full time
Sep 15, 2023  
Description This Information Systems Security Engineering opportunity will allow you to lead the integration of cyber security architecture & engineering efforts across multiple security domains.  As the cyber security subject matter expert (SME) you will influence information system design, development, and integration of hardware & software solutions. Working with other team members the ISSE utilize the risk management framework (RMF) systems development life cycle (SDLC) to ensure all aspects of cyber security are incorporated into the system design and implementation.   Primary Responsibilities • Support program managers as the Subject Matter Expert (SME) in Information Assurance & Cybersecurity • Establish policies & procedures that implement the System Development Life Cycle (SDLC) and Risk Management Framework (RMF) best practices • Serve as the primary liaison with the customer’s cyber security representative for all cyber security /...
Leidos Alexandria, VA, USA Full time