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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cyber Security Engineer (Endpoint) - **Company:** Trellix Public Sector LLC - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Artificial Intelligence, Amazon Web Services, Data Analysis, Systems Engineering, Microsoft Azure, Cyber Security, Databases, System Configuration, Information Leak Prevention, Software Debugging, Electronic Data Interchange (EDI), Linux System Administration, Performance Tuning, Cloud Services, Virtualization Technology, Computer Networking Systems, Cloud Platform System, Test Scripts, Cyber Threat Analysis, Information Technology, Cyber Warfare - **Published:** November 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9284255/cyber-security-engineer-endpoint ## About the Role * You hold an active TS/SCI clearance with Full-Scope Polygraph * You are self-motivated and passionate about cybersecurity and information technology. * You have experience with enterprise network technology planning, deployment, user migration and operations. * You have excellent communication and interpersonal skills, with the ability to build strong relationships with customers and internal stakeholders. * You have demonstrated technical proficiency in cybersecurity operations, cybersecurity engineering, systems engineering and/or Windows and Linux systems administration. * You have experience with Trellix Endpoint Security (ENS), e Policy Orchestrator (ePO), Data Loss Prevention (DLP), Endpoint Detection and Response (EDR), Threat Intelligence Exchange (TIE), and Data Exchange Layer (DXL). * You have experience with Active Directory, Databases, Virtualization, Cloud Services [i.e., AWS, Azure]) and enterprise networks. * Your background includes 5+ years in a technical capacity. * You hold a B.S. or higher in a related technical field (i.e., computer science, Information technology, or engineering). * You have the aptitude and ability to develop expertise with Trellix products. * You have familiarity with cyber threat identification, management, mitigation, and response strategies. * You hold an active DoD 8570 or DoD 8140 compliant cybersecurity certification. ## Description Trellix is a global cybersecurity leader helping organizations build cyber resilience for the AI era. Combining AI-native security, operational threat intelligence, and automated detection and response, Trellix provides defense-grade protection at machine speed across on-premises, air-gapped, operational technology, hybrid, and cloud environments. Trellix helps customers anticipate threats, scale effective security operations, maintain business continuity, and adapt their security posture for the modern threat landscape. Working with a broad partner ecosystem and global intelligence collaborators, Trellix helps strengthen the collective defense against cybercriminals and state-sponsored attacks. At Trellix, we empower professionals at all career stages to expand their technical expertise, lead strategic initiatives, and make a tangible global impact. Whether you are an industry pioneer or an emerging specialist, Trellix provides the tools and opportunities to enhance and expand your skill set. Join our mission to scale AI-driven cyber defense alongside an AI-accelerated threat landscape, and help build a safer, more resilient future. More at https://trellix.com, Join an industry leading team performing challenging and meaningful work! Trellix is supporting a critical U.S. Public Sector customer in the planning, deployment, migration, operation, and sustainment of key endpoint security systems comprised of Trellix and third-party technologies with focus on endpoint detection and response (EDR-F) Only candidates with a TS SCI with Full Scope Poly will be considered. Position Requirements * Active TS/SCI with Full-Scope Polygraph * 100% On-site delivery within customer at Ft. Meade, MD * Active DOD8140/8570 compliant cybersecurity certification. The Cybersecurity Engineer (CSE) will report to a Manager within the Professional Services Delivery team. CSE will be an onsite professional services consultant focused on daily deployments, operations and maintenance of Trellix solutions in the customer environment, specifically endpoint detection and response. This consultant also serves as a cybersecurity Subject-Matter Expert and advises the customer of cybersecurity matters. The consultant also communicates, coordinates, and facilitates problem resolution and other customer issues with Trellix Customer Success Managers, Technical Support Engineers, and Professional Services management. The CSE will work with the customer and diverse stakeholders throughout the customer organization to create technical project plans, schedules, test plans, deployment plans, and migration plans to evolve the customer's systems to the next generation capabilities. Experience in large-scale operational environments focusing on cyber defense, incident analysis, developing defensive capabilities, and designing and implementing security solutions. Only candidates with a TS/SCI with Full Scope Polygraph will be considered About the Role * You will be responsible for overall customer experience and successful delivery of services. * You will build and maintain strong customer relationships. * You will work with a group of customer organizations to deploy, integrate, and operationalize Trellix's Endpoint Detection and Response capabilities across a broad enterprise. * You will write technical documentation and briefings. * You will lead and/or participate in technical exchange meetings. * You will collaborate with end users as well as inter-agency, intra-agency, and internal Trellix stakeholders. * You will develop engineering artifacts such as system design diagrams, data flow diagrams, test plans, test reports, etc. * You will lead or participate in development testing, debugging, pre-deployment testing, and post-deployment testing. * You will lead or participate in certification and accreditation and/or access and authorization processes. * You will lead or participate in deployment planning and execution. * You will analyze technical/integration requirements and develop technical solutions for Customer review and consideration, and once approved, integrate into the customer's infrastructure. * You will lead or participate in system configuration, tuning, and policy development. * You will lead or participate in the development of standard operating procedures (SOPs) and playbooks. * You will monitor and manage system health, status, availability, and functionality. * You will report on technical problems, operational problems, and end user/customer feedback. * You will analyze data and provide recommendations for solutions to operational and/or technical problems. * You will lead or participate in technical troubleshooting efforts and problem resolution, including assessment, hands-on tasks, log reviews, performing triage tools, reviewing product documentation, and communicating with product support and development teams.