IT Infrastructure Security Specialist

Leidos • Suffolk, VA

1d

About The Position

Leidos Digital Sector is seeking an experienced IT Infrastructure Security Specialist to support mission-critical security operations and safeguard enterprise information systems and infrastructure. The role includes employee background checks, processing and coordinating personnel security clearance investigations, and ensuring compliance with security policies and procedures. The specialist also supports cyber and physical security monitoring, assessment, incident response, and security controls across IT systems and facilities.

Requirements

• Bachelor’s degree and 8 or more years of prior IT-relevant experience, or a Master’s degree and 6 or more years of prior IT-relevant experience.
• Must possess an active Top Secret security clearance at time of consideration.
• Ability to consistently make good decisions using analysis, experience, and judgment.
• Strong organizational skills and ability to work on multiple projects with multiple deadlines.
• Excellent written, verbal, visual/presentation, interpersonal, and communication skills.
• Proficiency with MS Office and ability to navigate multiple programs simultaneously.

Responsibilities

• Analyze security alerts, investigate cyber and physical security incidents, and coordinate response actions.
• Conduct vulnerability assessments and risk evaluations across IT and facility environments.
• Monitor and correlate cyber and physical access events to identify potential insider threats or unauthorized access.
• Implement and maintain security controls for networks, servers, virtualization platforms, cloud services, and supporting facilities.
• Coordinate implementation and sustainment of physical security measures, including controlled access systems, CCTV, intrusion detection systems, and badge/access management for data centers and IT spaces.
• Manage receipt of security documents submitted by applicants.
• Verify the appropriate level of background investigation being requested.
• Ensure all documents required for suitability processing are included and properly completed.
• Conduct agency checks and evaluate results, including credit reports, and process fingerprint cards.
• Identify potential reciprocity and previous investigations.
• Assist other teams, including Investigations, EOD, and File Room, with special projects as needed.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior