Leidos has a new and exciting opportunity for Cyber Security Engineer SME 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!Job DescriptionThis role is responsible for protecting the customer’s information systems and networks from potential cyber-attacks. The Cyber Security Engineer must display an excellent understanding of technology and utilization of Firewalls (Security Groups), VPNs, Data Loss Prevention (DPS), IDS/IPS, Web-Proxy, Security tools, and Security Audits. Candidates will work directly with Team leads, developers and operations personnel throughout a DevSecOps life cycle both on policy and technical implementation of technologies. This role is a hybrid role with a combination of some onsite and remote.Primary ResponsibilitiesPlan, implement, manage, monitor, and upgrade security measures and tools for the protections of information systems and networks and automate repeatable tasks in a consultative roleDesign, configure, implement, troubleshoot, and maintain all security platforms and their associated software, such as firewalls (Security Groups), intrusion detection/intrusion prevention, anti-virus/malware (HBSS), cryptography systems (Vormetric), SIEM (Splunk), and MDMFormulate systems and methodologies as well as respond to security related events and assist in remediation efforts of cyber security incidents (system and/or network breaches, malware attacks)Participate in the change management processCoordinate, and monitor log analysis for our managed services offerings, to ensure customer policy and security requirements are metBasic QualificationsExpert with at least one of the following tools: Splunk, HBSS/McAfee, Rapid7Expert with implementing and managing \SIEM (e.g., Splunk), end-point security (IDS/IPS and HBSS)Expert knowledge of networking protocols, such as TCP/IP, LAN/WAN conceptsExpert with automation (e.g., Ansible, CloudFormation)Strong attention to detail with analytical mind outstanding problem-solving skillsAwareness of Cybersecurity trends and hacking techniques.Master’s degree with 15+ years of prior relevant experience in order to operate within the scope contemplated by the levelTo be considered must have an active TS/SCI with polygraph security clearancePreferred QualificationsExperience with additional security tools and processes such as IDS/IPS, VPN, Webinspect, AppdetectiveExperience with implementing and managing network and application firewalls, incident detection, incident response and forensics activitiesExperience with Agile Software Development and scripting languages (Python, Power Shell)Amazon Web Services (AWS) CertificationExperience maintaining virtual private networks, firewalls, web protocols within a SAFe Agile FrameworkKnowledge of potential attack vectors such as XSS, injection, hijacking and social engineeringExperience with health monitoring tools (Nagios, SolarWinds) and using STIG viewers/tools to assess compliance with standardsAt Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.CABARESTONAt Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.Original Posting: August 28, 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 $148,850.00 - $269,075.00The 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.
