Defensive Cyber Software Developer

Leidos Inc; Lawton (OK); On-site; USD 87,000 - 157,000; Full time

Benefits offered by this job

Paid time off

11 paid holidays

401(k) with company match

Flexible schedules

Educational support

Job summary

Leidos is seeking a Mid-Level Defensive Cyber Software Developer for the CABA group in the INTEL Sector. The role focuses on software for cyber defense, EW, and PNT threats against US weapon systems. You will work with a diverse team in Lawton, OK, and must be able to obtain a TS/SCI clearance.

Responsibilities include developing data protection and detection methods, researching defensive techniques, and collaborating across internal experts to deliver practical security solutions.

Qualifications

• Bachelor's Degree in computer science, computer engineering, cyber engineering, or similar ABET-accredited program.
• Minimum 4+ years of professional development in C, C++, Rust, Go, or similar compiled languages.
• Minimum 2+ years of professional experience with Python and Bash or a similar scripting language.
• Comfortable with build systems such as CMake, Meson, or Bazel.
• Experience with version control tools.
• Experience with UI/UX development.
• Familiarity with Agile/Continuous Delivery and Jira/Jenkins.
• Good understanding of networking and software development best practices.
• Professional Linux experience, including basic administration.
• Must be a US citizen and able to obtain TS/SCI clearance.
• Ability to travel up to 20%.

Responsibilities

• Develop software and techniques to protect data and networks and present findings to users.
• Research and develop signature and behavior-based defensive techniques against adversarial attacks.
• Collaborate with internal experts to develop technical solutions affecting end products.

Skills

C/C++/Rust/Go

Python/Bash

Networking basics

Linux

Agile/CD/Jira/Jenkins

Education

ABET-accredited degree in CS/CE/Cyber

Tools

CMake

Meson

Bazel

Version control

Jira

Jenkins

Wireshark

Linux administration

Job description

Description

Leidos has a new and exciting opportunity for a Mid-Level Defensive Cyber Software Developerin our INTEL Sector's 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!

The Mid-Level Defensive Cyber Software Developerwill work with a diverse, highly skilled team to develop unique solutions for Cyber, EW, and PNT threats against US weapon systems. Our products are responsible for alerting our varied array of customers of potential cyber and EW attacks by creative Adversaries highly skilled at attacking. With that problem set in mind, our products need to be developed by equally creative minds that enjoy digging, researching, programming, questioning, and generally learning all they can do to do those exact things the Adversaries would.

This is a full-time position with the Leidos Cyber Electromagnetic Activity (CEMA) team that is based in Lawton, OK, and will require the candidate to be able to obtain and maintain a TS/SCI Clearance.

Primary Responsibilities:

• Developing software and/or techniques in the protection of data and network capabilities, as well as detection of, identification of and response to attacks, including working toward the most effective methods to present those findings to the user.
• Research and development of signature and behavior-based defensive techniques against adversarial attacks on tactical networks.
• Developing technical solutions that require collaboration with internal experts, deep analyses and understanding of impact on end-product/solution.

Basic Qualifications:

• Bachelor's Degree in computer science, computer engineering, cyber engineering, or similar degree from an ABET-accredited program
• Minimum 4+ years of professional development in C, C++, Rust, Go, or similar compiled languages
• Minimum 2+ years of professional experience with Python and Bash or a similar scripting language.
• Comfortable with software build systems such as CMake, Meson, or Bazel
• Experience with version control tools
• Experience with UI/UX development
• Familiarity with an iterative software design process, such as Agile and/or Continuous Delivery, as well as common tooling associated with the process, such as Jira and Jenkins
• A good understanding of networking - protocols at all layers of the networking stack and network architecture.
• Knowledge of general software development best practices
• Professional experience in Linux, up to and included basic administration
• Must be a US CITIZEN and able to obtain and maintain a TS/SCI Clearance
• Ability to travel to customer sites up to 20% of time

Preferred Qualifications:

• Experience using Wireshark
• Firm Grasp of Cybersecurity as well as recent tracking of cyber events
• Certifications such as Network+, Security+, CySA+, Linux+

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 $87,100.00 - $157,450.00

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.

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.