ISSO: On-Site National Security Cyber Lead

Leidos; United States; Remote; USD 108,000 - 195,000; Full time

Benefits offered by this job

Paid Time Off

11 paid holidays

401(k) with a 6% company match and 立即v

Employee Stock Purchase Plan

Technical upskilling and professional‑

Education and training support

Paid parental leave

Additional health, wellness, and

Job summary

Leidos is seeking an experienced Information Systems Security Officer (ISSO) to join the Cyber & Analytics Business Area, Key Management & Analytics Division, supporting critical national-security missions in a secure on-site environment.

You will help maintain the operational security posture of information systems, develop and enforce security policies, and collaborate with ISSMs and mission teams to ensure systems remain secure, compliant, and ready to support the mission.

Qualifications

• Bachelor’s degree or 4 years direct ISSO experience in lieu of degree
• Ten (10) years of ISSO experience on programs/contracts of similar scope
• Experience in at least two of: current security tools, hardware/software security, communication protocols, encryption techniques
• DoD 8570 IAM Level I certification or higher
• Experience with information-system security policies, standards, methodologies, documentation, and day-to-day security operations
• Experience assessing system changes and their potential security impact
• Experience supporting security authorization, certification and accreditation, and information-assurance activities
• Active TS/SCI clearance with Polygraph
• Ability to work full-time on site in a secure environment

Responsibilities

• Support senior ISSOs in implementing and enforcing information systems security policies, standards, and methodologies
• Plan and coordinate IT security programs and policies and help develop system security policies that ensure compliance
• Support the Information System Security Manager (ISSM) in maintaining the appropriate operational Information Assurance (IA) posture for systems, programs, and enclaves
• Evaluate security solutions to ensure they meet requirements for processing classified information
• Perform vulnerability and risk‑assessment analysis in support of certification and accreditation activities
• Develop, maintain, and update security documentation, including System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, System Requirements Traceability Matrices (SRTMs), and other required IA documentation
• Develop and maintain C&A documentation in accordance with applicable ODNI and DoD policies and support obtaining C&A for information systems under your purview
• Support security‑authorization activities in accordance with the National Institute of Standards and Technology Risk Management Framework (NIST RMF)
• Manage and control system changes, evaluate their security impact, and provide Configuration Management (CM) for security‑relevant information‑system software, hardware, and firmware
• Maintain records for workstations, servers, routers, firewalls, intelligent hubs, network switches, and other system components, including system upgrades
• Support day‑to‑day security operations and administer user identification and authentication mechanisms for Information Systems
• Support customer transition to ServiceNow (SNOW)
• Serve as the Approval Authority for Information Systems under your control, as required by the program

Skills

ISSO experience

IAM Level I

Security policies & standards

NIST RMF

TS/SCI clearance with Polygraph

Information assurance

Education

Bachelor’s degree in Computer Science or related discipline

Job description

Leidos is seeking an experienced Information Systems Security Officer (ISSO) to join the Cyber & Analytics Business Area, Key Management & Analytics Division, supporting critical national-security missions in a secure on-site environment.

You will help maintain the operational security posture of information systems, develop and enforce security policies, and collaborate with ISSMs and mission teams to ensure systems remain secure, compliant, and ready to support the mission.