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Cyber Security Engineer (SME)
full-timeBethesda$154k - $278k

Summary

Location

Bethesda

Salary

$154k - $278k

Type

full-time

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About this role

Leidos has an exciting opportunity for Cyber Security Engineer SME in our Intel Security Sector's Analysis Solutions Business Area.  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary

This role is responsible for protecting the customer’s information systems and networks from potential cyber-attacks. The Cyber Security Engineer must display an excellent understanding of technology and utilization of Firewalls (Security Groups), VPNs, Data Loss Prevention (DPS), IDS/IPS, Web-Proxy, Security tools, and Security Audits. Candidates will work directly with Team leads, developers and operations personnel throughout a DevSecOps life cycle both on policy and technical implementation of technologies.  This role is a hybrid role with a combination of some onsite and remote.

Primary Responsibilities

  • Plan, implement, manage, monitor, and upgrade security measures and tools for the protections of information systems and networks and automate repeatable tasks in a consultative role

  • Design, configure, implement, troubleshoot, and maintain all security platforms and their associated software, such as firewalls (Security Groups), intrusion detection/intrusion prevention, anti-virus/malware (HBSS), cryptography systems (Vormetric), SIEM (Splunk), and MDM

  • Formulate systems and methodologies as well as respond to security related events and assist in remediation efforts of cyber security incidents (system and/or network breaches, malware attacks)

  • Participate in the change management process

  • Coordinate, and monitor log analysis for our managed services offerings, to ensure customer policy and security requirements are met

Basic Qualifications

  • Expert with at least one of the following tools: Splunk, HBSS/McAfee, Rapid7

  • Expert with implementing and managing \SIEM (e.g., Splunk), end-point security (IDS/IPS and HBSS)

  • Expert knowledge of networking protocols, such as TCP/IP, LAN/WAN concepts

  • Expert with automation (e.g., Ansible, CloudFormation)

  • Strong attention to detail with analytical mind outstanding problem-solving skills

  • Awareness of Cybersecurity trends and hacking techniques.

  • Master’s degree with 15+ years of prior relevant experience in order to operate within the scope contemplated by the level

  • To be considered must have an active TS/SCI with polygraph security clearance

Preferred Qualifications

  • Experience with additional security tools and processes such as IDS/IPS, VPN, Webinspect, Appdetective

  • Experience with implementing and managing network and application firewalls, incident detection, incident response and forensics activities

  • Experience with Agile Software Development and scripting languages (Python, Power Shell)

  • Amazon Web Services (AWS) Certification

  • Experience maintaining virtual private networks, firewalls, web protocols within a SAFe Agile Framework 

  • Knowledge of potential attack vectors such as XSS, injection, hijacking and social engineering

  • Experience with health monitoring tools (Nagios, SolarWinds) and using STIG viewers/tools to assess compliance with standards

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

CABARESTON

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:

January 21, 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 $154,050.00 - $278,475.00

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.

Other facts

Tech stack
Cyber Security,Firewalls,VPNs,Data Loss Prevention,IDS/IPS,Web-Proxy,Security Audits,SIEM,Networking Protocols,Automation,Analytical Skills,Problem-Solving,Agile Software Development,Scripting Languages,Incident Response,Forensics

About Leidos

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.

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 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, visit careers.leidos.com for our latest opportunities.

Team size: 10,001+ employees
LinkedIn: Visit
Industry: Defense and Space Manufacturing
Founding Year: 1969

What you'll do

  • This role is responsible for protecting the customer’s information systems and networks from potential cyber-attacks. The Cyber Security Engineer must plan, implement, manage, monitor, and upgrade security measures and tools.

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Frequently Asked Questions

What does Leidos pay for a Cyber Security Engineer (SME)?

Leidos offers a competitive compensation package for the Cyber Security Engineer (SME) role. The salary range is USD 154k - 278k per year. Apply through Clera to learn more about the full compensation details.

What does a Cyber Security Engineer (SME) do at Leidos?

As a Cyber Security Engineer (SME) at Leidos, you will: this role is responsible for protecting the customer’s information systems and networks from potential cyber-attacks. The Cyber Security Engineer must plan, implement, manage, monitor, and upgrade security measures and tools..

Why join Leidos as a Cyber Security Engineer (SME)?

Leidos is a leading Defense and Space Manufacturing company. The Cyber Security Engineer (SME) role offers competitive compensation.

Is the Cyber Security Engineer (SME) position at Leidos remote?

The Cyber Security Engineer (SME) position at Leidos is based in Bethesda, Maryland, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Cyber Security Engineer (SME) position at Leidos?

You can apply for the Cyber Security Engineer (SME) position at Leidos directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Leidos on their website.