Cyber Security Engineer (SME)

Description

Leidos has a new and exciting opportunity for Cyber Security Engineer SME in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . 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 Description

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 effortsof 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

At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."

If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in.

Original Posting : August 28, 2025

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 $148,850.00 - $269,075.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com / careers / pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.