Description

Leidos Security Enterprise Solutions (SES) is seeking a highly skilled Cybersecurity Engineer to work onsite at our Security Enterprise Solutions (SES) facility in Tewksbury, MA. This role offers the chance to make a significant impact on aviation security while advancing your career.

We're looking for someone with:

Self-starting individual with the right attitude, aptitude to identify, take ownership of and solve challenging problems

Interest in continual learning and development of the team and themselves.

Ability to work collaboratively and independently to develop creative solutions

Passion for securing and maintaining IT and OT systems critical to national and international security

Primary Responsibilities

Integrate security requirements into IT systems.

Conduct vulnerability assessments

Maintain and troubleshoot secure Windows and Linux baselines

Implement system hardening and compliance

Implement and integrate static and dynamic code analysis tools

Research and evaluate Cybersecurity tools and methodologies

Collaborate with cyber and product architects to harden platforms and tool chains

Define and enforce secure-by-default software engineering practices

Document and automate best practices

Required Qualifications

Bachelor's degree in Computer Science, Cybersecurity, Engineering, or a related field. Additional experience, certifications or training may be considered in lieu of degree.

3+ years of relevant IT/ DevOps/Security Engineering experience.

Active DoD Approved 8570/8140 Baseline Certification or ability to obtain within 6 months (e.g. CompTIA Security+, Network+, CySA+, Microsoft Azure Fundamentals, etc).

Beginner to intermediate Windows, Linux and Networking skills

Experience in hardening modern operating systems and implementing security engineering best practices.

Preferred Qualifications

Programming/Scripting: Python, Bash, PowerShell, C++, C#, Java (minimum)

Networking: Strong understanding of network architecture - Experience with core infrastructure services administration such as AD, DNS, DHCP, and File Server administration

Experience with DISA STIGs and/or CIS Benchmarks; deploying secure images with Ansible, SteelCloud, and/or Microsoft Deployment Toolkit (MDT)

Experience with NIST Cybersecurity Framework, ISO 27001, NIST 800-171 (CMMC), or Risk Management Framework (RMF).

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."

Original Posting:

August 4, 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 $85,150.00 - $153,925.00

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.

REQNUMBER: R-00163886

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.