Leidos has a new and exciting opportunity for a Mid-Level Defensive Cyber Software Developer 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
Leidos Dynetics seeks a Mid-Level Cyber Analyst to support development and research efforts alongside a diverse team creating solutions for Cyber, EW, and PNT threats at the tactical edge. You’ll help shape detection algorithms and actionable alerts by applying practical SOC experience and forensic expertise, working closely with skilled Red Teamers to identify and counter advanced adversary techniques.
This is a full-time position with the Leidos Cyber Electromagnetic Activity (CEMA) team that is based in Huntsville, Alabama, and will require the candidate to be able toobtain andmaintaina TS/SCI Clearance
Primary Responsibilities:
Perform Threat Intelligence Integration and Researchreportingon detection gapswithin our problem setwhile stayingcurrent on TTPs, vulnerabilities, and SOC technologies
Detection Engineering & Tuninganalyzingfalse positives/negatives and providingfeedback to developersso they can tweakdetection algorithms for accuracy and operational relevance
Bridge the gap between defensive operations and software engineering by conducting training sessions and walkthroughs using simulated SOC scenarios
Participate in sprint planning and product roadmap discussionsto ensure the "operator perspective" is baked into software requirements
Provide input on UI/UX for analyst efficiencyand reduce cognitive load during high-stress alerts
Basic Qualifications:
Bachelor’s Degree incybersecurityor similar degree and 4- 8 years of relevant experience. Will consider experience in lieu of a degree
Minimum4+ years of professionalexperience in Cyber Security
Minimum2+ years of professional experience as a SOC operator
Intermediate to ExpertknowledgeofLinux
A good understanding of networking – protocols at all layers of the networking stack and network architectureaccompanied with various tooling needed for network analysis such as Wireshark.
Intermediate to Expert knowledge of host-based forensics, telemetry generation, and low-level artifacts (like memory, processes, and network packet analysis)
Moderate ability to produce scripts for testing
Must be a US Citizen and be able to obtain a TS/SCI security clearance.
Preferred Qualifications :
Experience analyzing low-level system artifacts, memory forensics, or firmware/embedded system security.
Familiarity with the MITRE ATT&CK framework and mapping telemetry to specific adversary behaviors.
Experience working in an Agile/Scrum development environment alongside software engineers.
GIAC Certified Detection Engineer (GCDE)
GIAC Certified Forensic Analyst (GCFA) / GIAC Network Forensic Analyst (GNFA)
FOR572: Advance Network Forensics
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.
July 1, 2026
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 $87,100.00 - $157,450.00
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.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
