Information System Security Officer (ISSO)

Join a Mission-Driven Team at Leidos:

At Leidos we deliver cutting-edge solutions through the dedication of our diverse and talented workforce. United by a shared commitment to our customers success we empower our teams support our communities and operate sustainably. Guided by our Mission Vision and Values we strive to always do the right thingfor our customers our people and our world.

Ready for Your Next Career Challenge

Were seeking a dynamic and experienced Information System Security Officer (ISSO) to support a high-impact program providing Information Assurance services to the U.S. Space Force. This role offers a unique opportunity to contribute to a critical national defense mission while working in a fast-paced innovative IT environment.

This position reports directly to the Program Manager.

Key Responsibilities:

• Collaborate daily with the ISSM to provide expert cybersecurity guidance and recommendations

• Oversee classified processing tasks ensuring compliance with established standards

• Conduct system audits and execute Continuous Monitoring (ConMon) activities

• Lead and support the Risk Management Framework (RMF) authorization process including development and maintenance of the Body of Evidence (BoE)

• Manage Configuration Management (CM) activities for hardware software firmware and security-relevant functions

• Analyze vulnerability scans implement DISA STIGs and ensure secure system configurations

• Interpret and apply DoD cybersecurity policies and procedures

• Review and recommend remediation actions for Plan of Action and Milestones (POA&M) to mitigate risks and achieve Authorization to Operate (ATO)

Basic Qualifications:

• Bachelors degree and 8 years of relevant experience (additional experience training and/or certifications may substitute degree requirement)

• U.S. Citizenship; Currently possess an Active DoD Top Secret clearance with SCI eligibility

• Proficiency with DCSA eMASS SCAP ACAS and Nessus Network Monitor (NNM)

• Strong understanding of RMF SDLC and A&A documentation development

• Experience with DCSA and Special Access Program (SAP) A&A processes

• Ability to apply government security regulations (FIPS NIST NISPOM JSIG ICDs) to information systems

• Expertise in securing Windows Linux and UNIX environments using Active Directory and Group Policy

• Exceptional analytical problem-solving and communication skills

• Strong attention to detail and organizational discipline

• Proven ability to manage multiple priorities independently

• Must obtain DoDD 8140 (DoD 8570.01) IAT II certification within 6 months of hire

Preferred Qualifications:

• Experience with the implementation or both DoDD 8570 and DoDI 8140 certification processes

• Experience supporting DoD customers and mission requirements

• Hands-on experience with Trellix modules and SIEM solutions

• Knowledge of DCSA XACTA and CORE platforms

• RMF package development for NIPR SIPR and JWICS networks

• Understanding of DoD military standards and operational environments

• Ability to adapt to evolving mission needs and technical landscapes

This role is ideal for cybersecurity professionals who thrive in mission-critical environments and are passionate about protecting national assets. If youre ready to make a meaningful impact wed love to hear from you.

EIO 2024

At Leidos we dont want someone who fits the moldwe want someone who melts it down and builds something better. This is a role for the restless the over-caffeinated the ones who ask whats next before the dust settles on whats now.

If youre already scheming step 20 while everyone else is still debating step 2 good. Youll fit right in.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline onlyand 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.