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Job Details

Information Systems Security Officer


Chief Information Officer


Washington, Washington DC, United States



At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ 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.

Are you ready for your next career challenge?

The Defense Group at Leidos has an exciting opportunity for an experienced Information Systems Security Officer (ISSO) to support a customer within the Department of Defense (DOD) located in the Greater Washington D.C. Metropolitan area.


The Defense Group provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!

Are you ready to make an impact? Begin your a flourishing and meaningful career, share your resume with us today!


In this role, you will be supporting the customers security branch with the day to day operational support to the branch chief and Government ISSO. You will prepare and/or assist in the development of system/network accreditation documentation. Initiate action on re-accreditation when changes affecting security, Prepare, distribute, and maintain plans, instructions, guidance, and standing operating procedures concerning the security of system operations. Ensure Automated Information System (AIS) activities comply with established security procedures and conduct risk assessments as required on equipment, systems/networks IAW DoD, NSA, DISA, DIA and OGA regulations and policies governing information systems security.

Primary Responsibilities

Plans, develops, implements, and maintains programs, policies, and procedures to protect the integrity and confidentiality of stand-alone systems, networks, and data as instructed by the branch chief.

Provides system security management to ensure stand-alone systems/networks are operated and maintained in accordance with (IAW) regulatory guidelines and in-house implemented policies and procedures.

Administers the unit’s security training by ensuring users, operators and managers are provided awareness training for their level of responsibility and administers refresher training as necessary.

Respond to AIS incidents, perform initial evaluation of each incident, begin corrective measures, and report and track all incidents that are forward to ISSO.

Responsible for the design, installation, maintenance, and administration of AIS systems and network equipment to support program operations.

Performs security and vulnerability testing and implements all necessary patches and upgrades to stand-alone in-house networks.

Maintains up-to-date knowledge of equipment costs, external assistance costs, software licensing, and personnel costs.

Maintains up-to-date knowledge of physical requirements for accreditation and processing within Sensitive Compartmented Information Facilities (SCIFs) and Special Access Program Facilities (SAPFs).

Identify unit-unique training requirements and provide to the Information Systems Security Officer (ISSO).

Conducts himself/herself in a professional manner and a high sense of integrity, working in a stressful and fast-paced environment.

Outstanding customer service and communication skills while interfacing daily with senior executives (SES), senior ranking military officers, and other military and civilian personnel internal and external to the customer’s organization.

Perform other duties as assigned in support of the customer’s mission


Must have a Top-Secret Clearance

Bachelor’s Degree in Information Systems, Computer Science, or related field; with a minimum of 5 or more years experience in the DoD sector. Additional years of experience will be considered in lieu of degree.

Must have qualifications outlined in DoD Instruction 8570.01-M for an Information Assurance Technician (IAT) Level II


Top-Secret Clearance with SCI Eligibility (Adjudicated within the last 3 years).

Highly desired are security certifications including a CISSP or CISM

Additional desired certifications include CCNA, CCSP, MCSE, and/or SANS GIAC.

Experience-producing, handling, storing, transmitting, and transporting classified materials, up to and including Top Secret, SAP, and Sensitive Compartmented Information (SCI).

Extensive knowledge and experience supporting Special Access Programs (SAP).

Ability to work independently and be a self-starter, as well as a solid group contributor working in a fast-paced environment

Expert knowledge of Microsoft Office suite tools.

Original Posting Date:


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.

Pay Range:

Pay Range $81,250.00 - $146,875.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. 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.