Description
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 to obtain and maintain a TS/SCI Clearance.
Primary Responsibilities:
- Perform Threat Intelligence Integration and Research reporting on detection gaps within our problem set while staying current on TTPs, vulnerabilities, and SOC technologies
- Detection Engineering & Tuning analyzing false positives/negatives and providing feedback to developers so they can tweak detection 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 discussions to ensure the "operator perspective" is baked into software requirements
- Provide input on UI/UX for analyst efficiency and reduce cognitive load during high-stress alerts
Basic Qualifications:- Bachelor's Degree in cybersecurity or similar degree and 4- 8 years of relevant experience. Will consider experience in lieu of a degree
- Minimum 4+ years of professional experience in Cyber Security
- Minimum 2+ years of professional experience as a SOC operator
- Intermediate to Expert knowledge of Linux
- A good understanding of networking - protocols at all layers of the networking stack and network architecture accompanied 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.
Original Posting: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: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.
About LeidosLeidos 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 BenefitsPay 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.
Securing Your DataBeware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-DiscriminationAll 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.
