Description
Looking for an opportunity to make an impact?
At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.
If this sounds like the kind of environment where you can thrive, keep reading!
Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!
Your greatest work is ahead!
Leidos Defense Systems is seeking a Mid-Level Defensive Cyber Software Engineer to work with a diverse, highly skilled team to develop unique solutions for Cyber, EW, and PNT threats against US weapon systems. This position will specifically focus on leading and executing the development of network security detection algorithms for tactical edge intrusion detection systems. This position will also focus on vulnerability research and prioritization of software development tasks. This is a full-time position with the Leidos Cyber Electromagnetic Activity (CEMA) team that is based in Huntsville, Alabama.
Primary Responsibilities
Developing software and/or techniques in the protection of data, networks and net-centric capabilities, as well as detection of, identification of and response to attacks.
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.
Developing solutions to technical problems and issues through research and experimentation.
Basic Qualifications
Bachelor’s Degree in computer science, computer engineering, or similar degree.
Candidate must have the following experience in defensive cybersecurity areas identified above:
5+ years of professional development in C, C++, Rust, Go, or similar compiled languages
A good understanding of networking – protocols at all layers of the networking stack and network architecture.
Experience with Agile development workflows
Knowledge of general software development best practices
Comfortable with software build systems, such as CMake, Meson, or Bazel
Experience with version control tools
Comfortable with CI/CD tools such as Jenkins or TeamCity
Experience using Wireshark
Experience developing cross platform software targeting systems such as Linux, Windows, Embedded devices, and Server-grade hardware
US Citizenship required
Must be able to obtain and maintain a TS/SCI Clearance
Preferred Qualifications
Experience with Git
Hands-on experience within a security operations center (SOC).
Experience with Network Security Monitoring (NSM)
Hands-on experience with blue/purple/red-teaming US DOD systems and/or networks
Certifications such as Network+, Security+, CySA+, Linux+
Original Posting:
March 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 $85,150.00 - $153,925.00
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.
