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Cyber Security Engineer (SME)

LEIDOS, INC.
Bethesda, MD Full Time
POSTED ON 9/29/2025
AVAILABLE BEFORE 10/28/2025
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 Description This 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 Responsibilities Plan, implement, manage, monitor, and upgrade security measures and tools for the protections of information systems and networks and automate repeatable tasks in a consultative role Design, 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 MDM Formulate 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 process Coordinate, and monitor log analysis for our managed services offerings, to ensure customer policy and security requirements are met Basic Qualifications Expert with at least one of the following tools: Splunk, HBSS/McAfee, Rapid7 Expert 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 concepts Expert with automation (e.g., Ansible, CloudFormation) Strong attention to detail with analytical mind outstanding problem-solving skills Awareness 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 level To be considered must have an active TS/SCI with polygraph security clearance Preferred Qualifications Experience with additional security tools and processes such as IDS/IPS, VPN, Webinspect, Appdetective Experience with implementing and managing network and application firewalls, incident detection, incident response and forensics activities Experience with Agile Software Development and scripting languages (Python, Power Shell) Amazon Web Services (AWS) Certification Experience maintaining virtual private networks, firewalls, web protocols within a SAFe Agile Framework Knowledge of potential attack vectors such as XSS, injection, hijacking and social engineering Experience with health monitoring tools (Nagios, SolarWinds) and using STIG viewers/tools to assess compliance with standards At 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. CABARESTON Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.” Original Posting: July 31, 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 $148,850.00 - $269,075.00 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 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 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenue of approximately $15.4 billion for the fiscal year ended December 29, 2023. For more information visit www.Leidos.com. Pay and Benefits Pay 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 here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com. Commitment and Diversity All 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.

Salary : $148,850 - $269,075

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