Senior Cybersecurity Engineer

Sorry, this job was removed at 10:13 a.m. (CST) on Tuesday, Mar 03, 2026
Be an Early Applicant
Lorton, VA
In-Office
Information Technology • Software
The Role

The Defense Sector at Leidos is looking for a Senior Cybersecurity Analyst to support a fast-paced program with Air Force Life Cycle Management Center. The Senior Cybersecurity Analyst will provide comprehensive Security Operations Center (SOC) support to a weapons system program with the Air Force. This role is a critical member of the 24x7 security and network operations center team, ensuring the security and integrity of program IT infrastructure, protecting sensitive data, and mitigating cyber threats. The ideal candidate will have a strong technical background in cybersecurity principles, tools, and best practices.

This position will require 100% on-site work with no remote work supported.This role will support 24x7 operations and requires shift rotations on a regular basis. Shift assignments will be based on program requirements and your preference, but some flexibility may be required.

Primary Responsibilities:

  • Provide SOC and Incident Response support, including coordination, execution, and implementation of all actions required for the containment, eradication, and recovery measures for events and incidents. 
  • Monitor and reply to events and alerts from the SIEM, monitoring tools, and other network tools. 
  • Investigate events of interest and escalating to senior NOC / SOC members. 
  • Drive incidents from discovery to closure and reporting, with comprehension of escalation procedures and criteria. 
  • Categorize incidents and partner with appropriate authorities in the production of security incident reports. 
  • Build timelines, documents, briefings, and other products as required to inform stakeholders of incident response actions, analysis, and the impact of both the incident and remediation actions taken. 
  • While not in a period of incident response, you will conduct exercises and dry runs to improve response outcomes in the event of a cyber-incident. 
  • Integrate with Information Assurance (IA) team to support policy updates and continuous monitoring activities in support of Authorization to Operate (ATO) maintenance. 
  • Provide enterprise recommendations to remediate environment wide issues, support continuous process improvement, and report analysis. 
  • Investigate compromised endpoints, identifying indicators of compromise (IOC) within the environment and conveying to stakeholders the impact of discovered events. 

Basic Qualifications: 

  • US Citizen with at least a Top Secret clearance and the ability to obtain a SCI prior to your start date. In addition, the ability to maintain your clearance during your employment with Leidos
  • Bachelor’s Degree with 12+ years of experience or Master’s degree with 10+ years of experience. Additional experience may be considered in lieu of a degree
  • Must have an active DoD IAT Level II certification, prior to start (e.g. Sec+, CISSP)
  • Incident Response experience 
  • Knowledge of MITRE ATT&CK principles 
  • Systems administration experience - desktop and server systems connected to local and wide area networks
  • Knowledge Management skills to follow and create documentation. 
  • Experience with Splunk, ACAS, ESS 
  • Excellent problem-solving skills and troubleshooting skills 
  • Motivated self-starter with strong written and verbal communication skills for collaborating with technical and non-technical stakeholders, and the ability to create complex technical reports on analytic finding 

Preferred Qualifications:

  • Working knowledge of cloud security and related tools for incident response 
  • Experience securing classified DoD networks, such as networks connected to SIPR or JWICS 
  • Knowledge of cloud-native security information and event management (SIEM) tools 
  • Knowledge of cloud-native endpoint security tools 
  • Experience with Agile framework and DevSecOps 
  • Familiarity with incident response processes and tools
  • Experience with scripting or automation tools for security tasks
  • Ability to work in a dynamic environment and adapt to changing priorities
  • Experience using and interpreting vulnerability assessment or scanning tools such as Nessus 

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:February 27, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Similar Jobs

CDW Logo CDW

Senior Security Engineer

Information Technology
Remote or Hybrid
US
15100 Employees
132K-191K Annually

General Motors Logo General Motors

Cybersecurity Engineer

Automotive • Big Data • Information Technology • Robotics • Software • Transportation • Manufacturing
Remote or Hybrid
United States
165000 Employees
125K-159K Annually

sweatpopi Logo sweatpopi

Cybersecurity Engineer

3D Printing • AdTech • 3PL: Third Party Logistics
Remote or Hybrid
United States
12 Employees
140K-260K Annually

CASE Management Consulting Logo CASE Management Consulting

Cybersecurity Engineer

Business Intelligence • Consulting
Easy Apply
In-Office
Springfield, VA, USA
18 Employees
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
Alexandria, VA
27,104 Employees
Year Founded: 1969

What We Do

We Are Leidos

For 50 years we have been tackling some of the biggest problems that face our nation and our world.

OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.

Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.

Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.

Your most important work is ahead.

Similar Companies Hiring

Scotch Thumbnail
Software • Retail • Payments • Fintech • eCommerce • Artificial Intelligence • Analytics
US
25 Employees
Milestone Systems Thumbnail
Software • Security • Other • Big Data Analytics • Artificial Intelligence • Analytics
Lake Oswego, OR
1500 Employees
Fairly Even Thumbnail
Software • Sales • Robotics • Other • Hospitality • Hardware
New York, NY

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account