Infrastructure Security Engineer

DescriptionAs an Infrastructure Security Engineer for the Defense Information Systems Agency (DISA), you will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in support of 24x7x365 mission-critical operations.PRIMARY RESPONSIBILITIES:• Work with government counterparts, contractors, and internal team members to deploy and manage policies, rules, and signature sets on cybersecurity capabilities.• Manage high-priority tasks and outages.• Maintain, develop, and improve Security Infrastructure standard operating procedures and tactics, techniques, and procedures (TTPs)• Maintain complete and current network and elevation diagrams for all managed security equipment.• Coordinate and comply with applicable change control boards and corresponding processes.• Advise and strategize with government and program leadership on ways to improve the security infrastructure, requiring multi-dimensional problem solving and ingenuity with impact on multiple aspects of the mission.• Provide briefings to program/project leadership, government leadership, and other internal stakeholders on security infrastructure status, updates/patches, issues, and/or upgrades.• Operate and maintain cybersecurity capabilities to include IDS/IPS/Netflow/SIEM/Snort/Linux/Virtualization etc.• Ensure Compliance standards.BASIC QUALIFICATIONS:• Bachelor's degree and 8+ years of professional experience; additional related years of experience is accepted in lieu of a degree.• 4+ years of technical experience deploying and maintaining cybersecurity tools, especially IDS/IPS capabilities• Must have a current DoD-8570 IAT Level II certification (Security+ or equivalent) prior to start• Must have a DOD-8570 CSSP Infrastructure Support certification (CySA+ or equivalent) prior to start• Demonstrated experience with configuring, maintaining, and troubleshooting cybersecurity infrastructure and capabilities.• Demonstrated knowledge of network traffic and communications, including known ports and services.• Hands-on experience with the Windows and Linux operating system and their respective command line interfaces and scripting shells• Must have an active TS/SCI clearancePREFERRED QUALIFICATIONS:• Experience with automation and orchestration frameworks (ex. Ansible, Puppet, Chef)• Deep technical understanding of core current cybersecurity technologies as well as emerging capabilities..• Demonstrated understanding of the life cycle of cybersecurity threats (internal and external), attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).• Motivated self-starter with strong written and verbal communication skills, and the ability to create complex technical reports on analytic findings.• Familiarity or experience in Intelligence Driven Defense, Cyber Kill Chain methodology, and/or MITRE ATT&CK framework.• Prior hands-on experience as a SOC analystOriginal Posting Date:2024-08-01While 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 $101,400.00 - $183,300.00The 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.