Intrusion Detection Systems (IDS) Engineer at Leidos

Leidos is seeking a skilled Intrusion Detection Systems (IDS) Engineer to manage and maintain the agencys network infrastructure. This role focuses on operating Network IDS platforms such as Snort 3.x developing detection signatures and supporting Security Operations through proactive threat detection and analysis. If this sounds like a mission you want to be a part of keep reading!TEAM CULTUREYour passion and values might be a good fit for our teams if you answer yes to the following questions:Are you looking for a company that puts employees first with a focus on career flexibility and well-beingDo you enjoy collaborating with colleagues and teammates and believe that the best ideas are fostered in an inclusive environmentAre you searching for a team with a strong sense of ownership urgency and drive for daily mission successAre you comfortable with proactive outward communication and technical leadershipDo you enjoy being a catalyst solving complex problems and providing innovative solutionsDo you have the flexibility creativity and resilience to pivot the mission for successDo you have the courage to make tough ethical decisions with pride transparency and respectMENTORSHIP & CAREER GROWTHOur teams are dedicated to supporting new team members in an environment that celebrates knowledge sharing and mentorship. Experienced team members will be assigned to new hires for one-on-one mentoring collaborative reviews and coaching on customer engagement to help each new hire successfully onboard and demonstrate their skills. Projects and tasks are assigned in a way that leverages your strengths and will help you further develop your skillset.DAY TO DAY RESPONSIBILITIESEvery position we take is more rewarding when you know the why behind your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around you this is the place for you. Find you passion in a team environment where all members are valued regardless of contractor or employee status. Find your Why with us and take your place in our Leidos Family!!We are seeking a highly skilled Intrusion Detection Systems (IDS) Engineer with strong expertise in Red Hat Enterprise Linux (RHEL)to install configure and manage Snort-based intrusion detection and prevention systems across enterprise networks. The ideal candidate will be a proactive individual who can thrive in a dynamic security environment respond to evolving threats and collaborate effectively with cross-functional teams while working both independently and as part of an Agile team structure.FOUNDATION FOR SUCCESS (Basic Qualifications)3 years of experience in network security or intrusion detectionDemonstrated experience with Snort 3.x or similar IDS/IPS platformsProficiency with Unix/Linux operating systemsExperience writing detection signatures (Snort YARA or similar)Strong understanding of TCP/IP networking and common attack vectorsBachelors degree in Computer Science Cybersecurity or related field (or equivalent experience)Self-Starter: Ability to work independently prioritize tasks and drive initiatives forwardCommunication: Clear written and oral communication skills appropriate for professionalenvironmentsAgile Methodology: Familiarity with Agile frameworks and iterative development practicesProblem-Solving: Analytical mindset with strong troubleshooting capabilitiesMust be able to obtain and maintain a Public Trust. Contract requirement. (DO NOT REMOVE)*** Selected candidate must be willing to work on-site in Woodlawn MD 5 days a week.FACTORS TO HELP YOU SHINE (Required Skills)These skills will help you succeed in this position:IDS Platform ManagementManage configure and maintain Snort 3.x servers and applicationsMonitor and optimize network intrusion detection platform performanceEnsure high availability and reliability of IDS infrastructurePerform system updates patches and upgrades as neededSignature Development & MaintenanceCreate test and maintain YARA signatures for malware detectionDevelop and tune Snort rules to detect emerging threatsUtilize regular expressions to build effective detection patternsAnalyze false positives and refine signatures for accuracySecurity Operations SupportCollaborate with Security Operations team on threat detection and responseProvide technical expertise on IDS alerts and network security eventsParticipate in incident response activities when network intrusions are detectedDocument procedures configurations and security findingsSystem AdministrationExecute Unix/Linux command line operations for IDS and security tool managementAutomate routine tasks through scripting and configuration managementTroubleshoot system and application issues independentlyMaintain system logs and audit trailsHOW TO STAND OUT FROM THE CROWD (Desired Skills)Showcase your knowledge of modern development through the following experience or skills:Industry certifications such as GCIA GCIH Security or CEHExperience with SIEM platforms and log analysis toolsKnowledge of threat intelligence feeds and integrationScripting skills (Python Bash or PowerShell)Experience with containerization and orchestration (Docker Kubernetes)Understanding of DevSecOps practicesAt 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 and contribute to our communities. 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. Every position we take is more rewarding when you know the why behind your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around you this is the place for you. Find your passion in a team environment where all members are valued regardless of contractor or employee status. We are excited for you to take your place in our Leidos Family.If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.Original Posting:November 17 2025For 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 $87100.00 - $157450.00The 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. Key Skills Environment,Academics,Javase,Cost Estimation,Fire,Business Studies Employment Type : Full-Time Experience: years Vacancy: 1 Monthly Salary Salary: 87100 - 157450