Information Assurance Security Engineer / Information Systems Security Engineer

Leidos

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Suitland, MD
Salary
$107,900–$195,050 / yr
Employment
Full-time
Posted
5 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $169k
This role $151k
$97k $214k
below market most similar roles pay here above market

This role pays less than 61% of similar roles. Most pay $135,000–$202,486 — the blue band above. At the midpoint, this role pays about $151k versus about $169k 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 434 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 352 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Information Assurance Security Engineer / Information Systems Security Engineer

JOB TITLE: Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE) The Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE) joins a team to support a complex, mission-driven enterprise environment. This engineering-focused role involves securing, administering, hardening, and maintaining critical systems and infrastructure while collaborating with network, systems, cybersecurity, and architecture teams. Daily responsibilities include vulnerability remediation, security testing, and providing architecture support. The engineer will research cybersecurity tools, conduct ethical hacking, and apply DISA STIGs and SRGs. Key technologies include Java, C, C++, SSH, HTTPS/TLS, and RBAC. The role requires expertise in DoD RMF, ICD 503, and NIST Risk Management Frameworks. Candidates will utilize tools like Trellix/ESS, ACAS, RedSeal, and STIG Manager to secure Unix, RHEL, and Windows environments within Intelligence Community and Department of Defense processes.

What you'll do

  • Administer, configure, and harden enterprise infrastructure to ensure robust security posture.
  • Perform vulnerability remediation, troubleshooting, and security testing across storage, networking, and operating systems.
  • Conduct vulnerability assessments, ethical hacking, and penetration testing to identify and mitigate risks.
  • Apply and validate DISA STIGs, SRGs, and other industry security best practices to systems.
  • Configure secure administrative access using SSH, HTTPS/TLS, RBAC, and least privilege principles.
  • Review architecture and engineering designs to provide security recommendations for new capabilities and infrastructure.
  • Install, configure, and maintain enterprise network-based scanning and reporting tools like ACAS and Trellix/ESS.
  • Develop and deliver training on cybersecurity tools, technologies, and internal security processes.

What we're looking for

  • Bachelor’s degree in Cybersecurity, Electrical Engineering, IT, Information Assurance, or related field with 8+ or 12+ years of experience.
  • Master’s degree with 6+ or 10+ years of experience.
  • Active TS/SCI clearance in DISS and required program access.
  • Security engineering experience with DoD RMF, ICD 503, and/or the NIST Risk Management Framework.
  • Extensive experience with IC, DoD, DISA, NAVINTEL, FLTCYBERCOM, and DoDIIS processes, tools, and requirements supporting Assessment and Authorization.
  • Software development experience using Java, C, C++, or other programming/scripting languages to design host-based and network-based scanning tools.
  • Experience installing, configuring, and maintaining enterprise network-based scanning tools such as Trellix/ESS, ACAS, RedSeal, Evaluate STIG, SteelCloud ConfigOS, and STIG Manager.
  • Active IAM Level III DoD 8140 approved baseline certification, such as CISSP or SecurityX.

More like this

Similar roles

Information Systems Security Engineer SME

Leidos

McLean, VA +1 21 days ago $154,050–$278,475
DevSecOps CI/CD RMF SIEM SAST DAST AWS Oracle Cloud Google Cloud Platform Splunk Tenable Security Center Rapid7 Nexpose SonarQube Fortify OWASP Cryptography Vulnerability Assessment Incident Handling Configuration Management
10+ yrs exp

Information Systems Security Engineer

Leidos

Linthicum, MD 128 days ago $107,900–$195,050
Information Assurance Firewalls IPS IDS CNSSI 1253 DoD 8500 Network Architecture Risk Management C&A Routers Network Protocols Security Assessment Requirements Gap Analysis
7+ yrs exp

Information System Security Engineer

Leidos

San Diego, CA 27 days ago $107,900–$195,050
RMF JSIG STIGs SRGs Windows Linux Virtualization TCP/IP Active Directory Group Policy Splunk Nessus SCAP Firewalls DLP SIEM DNS VLANs Encryption Network Segmentation
8+ yrs exp

Information Systems Security Engineer

Booz Allen Hamilton

Herndon, VA 15 days ago $99,000–$225,000
AWS Kubernetes NIST NMAP Nessus Rapid7 Nipper Containerization Cloud Security Network Security Vulnerability Assessment Big Data Analytics Security Control Frameworks Oracle

Information Systems Security Engineer 1

AT&T

Columbia, MD 22 days ago $98,100–$143,200
RMF NIST SP 800-53 Tenable Splunk Python Windows Linux Firewalls Routers Switches VLANs Network Segmentation Virtualization STIG Viewer Continuous Monitoring SCTM POA&M Information Assurance
7+ yrs exp

Information Assurance Security Engineer

General Dynamics

Arnold, MO +1 60 days ago $115,600–$156,400
AWS RMF ACAS HBSS Carbon Black Tanium RedSeal EMET PowerShell Unix RHEL VMWare Firewalls IDS Load Balancers Network Routing VLAN ICD 503 Incident Response Cloud Infrastructure
5+ yrs exp