Senior ISSE

Leidos

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Annapolis Junction, MD
Salary
$154,050–$278,475 / yr
Posted
71 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $167k
This role $216k
$122k most similar roles pay here $295k

This role pays more than 85% of similar roles. Most pay $138,825–$195,850 — the shaded band above. At the midpoint, this role pays about $216k versus about $167k for comparable roles.

Based on 240 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 264 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 245 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Senior ISSE

Sr. ISSE TS/SCI Polygraph joins the Cyber & Analytics Business Area to support a complex program using Scaled Agile Framework methodologies and DEVOPS best practices. This role involves managing multiple system security plans for development, test, and production systems following the Risk Management Framework while supporting Security Verification Testing of Type 1 devices. The engineer will design security architectures, assess and mitigate threats throughout the program lifecycle, and ensure hardware and software implementations meet strict requirements. Key responsibilities include auditing configurations, formulating compliance requirements, and collaborating with technical experts to resolve issues in a large-scale network environment. Required skills include proficiency with Nessus, NMAP, Wireshark, encryption techniques, and web services. The role addresses the challenge of integrating new technologies into an ongoing operational system while maintaining robust security postures for geographically distributed components.

What you'll do

  • Manage multiple system security plans for development, test, and production systems following the Risk Management Framework (RMF).
  • Validate and verify system security requirements and designs for large-scale, geographically distributed network environments.
  • Identify and implement information security architectures to ensure uniform application of security policies.
  • Assess and mitigate system security threats and risks throughout the entire program life cycle.
  • Conduct Security Verification Testing (SVT) of relevant Type 1 devices.
  • Audit and assess system security configuration settings using standard tools like Nessus, NMAP, and Wireshark.
  • Formulate security compliance requirements for new system features and provide expert advice on security architecture.
  • Perform vulnerability testing and evaluate the impact of new developments on the operational security posture.

What we're looking for

  • Must possess an active TS/SCI with Polygraph.
  • Must have a Master of Science degree and 15–20 years of relevant experience.
  • Must have hands-on vulnerability testing experience using customer tools.
  • Must have experience applying the Risk Management Framework (RMF).
  • Must have experience formulating and assessing IT security policy.
  • Must have knowledge of common security tools such as Nessus, NMAP, and Wireshark.
  • Must have experience with secure configurations for desktop and server operating systems.
  • Preferred: DoD 8570 compliance with IASAE Level 2 or 3, ISSEP, or CISSP certifications.

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