Information Systems Security Officer

Leidos

The ISSO ensures the cybersecurity posture of DoD information systems, managing security documentation and controls effectively.

Last checked on June 13, 2026. We may earn a commission when you click through.

Overall, the ISSO position with Leidos offers a critical opportunity in national security, but demands considerable expertise.

✓ Critical role in national security ✓ Opportunity to work with advanced cybersecurity tools ✓ Collaborative work environment at Leidos

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Information Systems Security Officer

Leidos

Updated 2 months ago

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Lorton

Overall, the ISSO position with Leidos offers a critical opportunity in national security, but demands considerable expertise.

About this role

The ISSO ensures the cybersecurity posture of DoD information systems, managing security documentation and controls effectively.

About the Company

Leidos is a leading defense, aviation, information technology, and biomedical research company, committed to delivering innovative solutions.

Key Highlights

✓ Manage security documentation like SSPs and risk assessments.
✓ Oversee the cybersecurity posture for DoD information systems.
✓ Implement and track security controls and common cybersecurity tools.

💡 Honest Take: This role is ideal for those with a strong cybersecurity background but may not suit entry-level candidates.

Pros

✓ Critical role in national security
✓ Opportunity to work with advanced cybersecurity tools
✓ Collaborative work environment at Leidos

Cons

✗ Requires extensive experience in cybersecurity
✗ Potentially high-stress environment
✗ Limited remote work opportunities

Best For: Ideal for individuals with a strong understanding of network security and risk management.

Watch Out: Candidates should be prepared for a competitive selection process and the demands of overseeing sensitive information systems.

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What Customers Say

Employees appreciate the collaborative culture at Leidos but note the high expectations and limited remote work flexibility.

Expert Review

The Information Systems Security Officer (ISSO) role at Leidos is pivotal for ensuring the security of Department of Defense information systems. This position requires strong knowledge of security controls and documentation, including System Security Plans (SSPs) and risk assessments. The ISSO will actively manage and track these essential documents, making this role critical to maintaining the integrity of national security operations.

While the position is rewarding, it is not for everyone. It demands a background in cybersecurity, making it unsuitable for entry-level candidates. The environment can also be high-pressure, given the stakes involved in safeguarding sensitive information.

Candidates must be ready to engage with advanced cybersecurity tools and methodologies, which may present a steep learning curve for those less experienced.

In terms of organizational culture, Leidos is known for its collaborative work environment, providing employees with the support needed to tackle challenging projects. However, prospective applicants should also consider the limited remote work options, as this may impact work-life balance. Overall, this ISSO position is an excellent opportunity for seasoned professionals looking to make a significant impact in national security, but it comes with its own set of challenges.