Cyber Engineer

MANTECH seeks a skilled and innovative Cyber Engineer to support our cybersecurity operations in McLean, VA. In this role, you will leverage your technical expertise to create, refine, and manage detection logic and signatures across a suite of enterprise cyber defense platforms. Your work will directly contribute to safeguarding mission-critical systems by developing actionable content and solutions for advanced threat detection and mitigation. You will play a pivotal role in tuning and enhancing detection capabilities to proactively address evolving threats.Responsibilities include but are not limited to:Providing subject matter expertise in the creation, editing, and management of signatures, rules, and filters for specialized network defense systems including network and host-based IDS, IPS, NDR, EDR, firewall, web application firewalls, and proxyManaging and administering the tuning of rules, signatures, and custom content within platforms such as Splunk Enterprise SecurityIdentifying potential conflicts with implementation of CND tools and developing recommendations to remediate these conflictsSupporting inter-agency collaboration by managing relationships with partner organizations to facilitate mission executionInnovating creative solutions to address technical challenges and gapsDeveloping logical use cases and tracking requirements to engineering teamsIdentifying and addressing visibility or coverage gaps in cyber defense systemsPreparing and briefing leadership and partners on detection system status and proposed enhancementsPerforming data analytics and reporting to inform decisions and strategiesMinimum Qualifications5+ years of progressively responsible experience in Cyber Security, InfoSec, Security Engineering, or Network Engineering with emphasis on cyber operations, incident response, or systems architectureDemonstrated expertise utilizing SIEM tools (e.g., Splunk) for detection use case developmentExcellent interpersonal, organizational, writing, and briefing skillsExperience with enterprise cyber defense technologies, including:Incident response analysisSplunk Enterprise SecurityNetwork/Host IDS/IPSSecurity Orchestration Automation and Response (SOAR)Endpoint and Network Detection and Response (EDR/NDR)User Behavior Analytics (UBA)Malware detection/preventionNetwork and host forensic applicationsWeb and email gateway security technologiesPreferred QualificationsStrong analytical, problem solving, and communication skillsBS degree in electrical engineering, computer engineering, computer science, or closely related IT disciplineExcellent interpersonal, organizational, writing, and briefing skillsClearance RequirementsAn active/current TS/SCI with Polygraph clearance is required to be considered for this position.Physical RequirementsMust be able to remain in a stationary position 50% of the time.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Created: 2026-03-05