Junior Security Engineer

Leidos

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Bethesda, MD
Salary
$69,550–$125,725 / yr
Posted
3 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $180k
This role $98k
$52k most similar roles pay here $232k

This role pays less than 98% of similar roles. Most pay $150,300–$208,906 — the shaded band above. At the midpoint, this role pays about $98k versus about $180k 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 252 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 234 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Junior Security Engineer

Junior Security Engineer The Junior Security Engineer joins the security team to support day-to-day activities across enterprise and isolated environments. This role involves performing vulnerability management, RMF/ATO activities, system hardening, and continuous monitoring. You will work alongside senior personnel and technical teams to identify and remediate security issues while maintaining the overall security posture of the environment. Daily tasks include conducting scans using ACAS or Tenable/Nessus, implementing DISA STIGs, reviewing audit logs, and managing compliance documentation for NIST SP 800-53 and ICD 503. You will utilize tools such as Splunk, McAfee HBSS, and MS Visio while working with Windows Server, Active Directory, and networking protocols like TCP/IP. The role addresses critical security requirements for infrastructure systems, ensuring robust protection across geographically dispersed sites and restricted networks through proactive monitoring and technical remediation.

What does a Security Engineer earn?

Median $182850 from 83 postings across 39 companies.

See salary data

What you'll do

  • Manage the full vulnerability management lifecycle including identification, analysis, remediation, and documentation.
  • Perform vulnerability scanning and analyze findings using ACAS, Tenable/Nessus, or similar tools.
  • Implement and validate DISA STIGs and approved security configuration baselines across infrastructure systems.
  • Execute recurring security activities such as audit log reviews, account reviews, and continuous monitoring.
  • Support RMF/ATO activities by preparing security documentation, control evidence, and compliance records for NIST standards.
  • Monitor security logs and events using Splunk or other SIEM tools to identify and escalate issues.
  • Review system and configuration changes to assess potential security impacts before implementation.
  • Research security vulnerabilities and technical requirements to provide recommendations to senior personnel.

What we're looking for

  • Bachelor's degree with at least 2 years of relevant experience (additional experience may be considered in lieu of a degree).
  • Active TS/SCI clearance with Polygraph required, or active TS/SCI with willingness to obtain a Poly.
  • U.S. Citizenship is required.
  • Must meet DoD 8570.11-IAT Level II certification requirements (e.g., Security+ CE, CCNA-Security, GSEC, or SSCP).
  • Experience with Windows Server, Active Directory, IIS, DNS, DHCP, Exchange, and DFS.
  • Experience implementing security controls on network services and using tools like Splunk, McAfee HBSS, and ACAS.
  • Experience with networking technologies, STIGs, and troubleshooting TCP/IP, internet security, and encryption.
  • Ability to create technical documentation and diagrams using MS Visio, Project, Excel, and Word.
  • CISSP or CASP certification (preferred).

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