Cyber Security Engineer

Leidos; Tewksbury (MA); On-site; USD 58,000 - 105,000; Full time

Job summary

Leidos is seeking a Cybersecurity Engineer to work onsite at the SES facility in Tewksbury, MA. You will integrate security into IT systems, perform vulnerability assessments, and help harden Windows and Linux baselines.

The role requires 1–3+ years in IT/DevOps/Security Engineering, DoD 8570/8140 baseline certification (or ability to obtain within 6 months), and familiarity with modern security engineering practices. This is an on-site position in Massachusetts.

Qualifications

• Bachelor’s degree required or related experience considered in lieu of degree.
• 1–3+ years IT/DevOps/Security Engineering experience.
• Active DoD 8570/8140 Baseline Certification or ability to obtain within 6 months.

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

Skills

Windows skills

Linux skills

Networking skills

DoD 8570/8140 Baseline

Python

Bash

PowerShell

C++

C#

Java

Education

Bachelor’s degree in Computer Science, Cybersecurity, Engineering, or related field

Tools

Programming languages

Job description

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.


• 1-3+ 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 Vulnerability Management (e.g., Tenable Security Center / Nessus)


• 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).

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.

Pay Range

Pay Range $57,850.00 - $104,575.00

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.

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.