Senior Cyber Security Engineer

ECS is seeking a *Senior Cyber Security Engineer*to work at our *Ft. Meade, MD* customer site in a full-time, onsite capacity.

ECS is seeking a *Senior Cyber Security Engineer*to support robust Impact Level (IL) 5 and IL6 programs in an operational DoD environment that houses multiple U.S. Coalition Mission Partner Environments (MPE). The Senior Cyber Security Engineeris a high-level technical authority responsible for designing, implementing, and defending infrastructure to protect MPE's networks, systems, and data. The Senior Cyber Security Engineer will deploy security tools (firewalls, IDS/IPS), conduct vulnerability assessments, automate threat detection, manage cloud/hybrid environments, lead incident response efforts to mitigate cyber threats, and ensure systems and tools comply with strict regulatory frameworks such as RMF and STIGs.

This position is a demanding, high-energy role that requires innovative ideas to building, deploying, and managing robust security tools. The ideal candidate has advanced technical acumen; essential soft skills (including analytical thinking, problem-solving, communication, and proven leadership abilities); and intellectual curiosity critical for analyzing mission-related cyber security requirements and developing effective solutions to address them. The Senior Cyber Security Engineer reports to the Senior Technical Program Manager and collaborates closely with technical peers.

Responsibilities:

• Act as the primary cyber operations point of contact in a secure DoD environment.
• Administer and maintain the Trellix enterprise security platform – including management of endpoint security tools and centralized policy control – through ePolicy Orchestrator (ePO).
• Administer and maintain Assured Compliance Assessment Solution (ACAS) vulnerability scanning infrastructure and scanning schedules.
• Monitor and configure alerts and security events using Microsoft Sentinel.
• Monitor endpoint security events and investigate potential threats and suspicious activity.
• Maintain endpoint security configurations, updates, and compliance across enterprise systems.
• Produce vulnerability reports and metrics supporting Risk Management Framework (RMF) compliance and Plans of Action and Milestones (POA&M) tracking.
• Tune detection rules and integrate endpoint and vulnerability telemetry.
• Monitor overall system security posture and identify emerging risks.
• Collaborate with Infrastructure and MPE teams to address security findings.
• Support RMF documentation, security assessments, and compliance activities.
• Other duties, as assigned.

*Salary Range: $150,000 - $190,000*

*General Description of Benefits*

Requirements:

• *U.S. Citizen.*
• *Active Secret security clearance, with the ability to obtain a Top Secret security clearance with Sensitive Compartmented Information indoctrination (TS/SCI).*
• *Bachelor's degree in Computer Science; Information Security; or another Science, Technology, Engineering and Mathematics (STEM) discipline.*
• *8+ years of progressive hands-on experience in cybersecurity operations, vulnerability management, and cybersecurity engineering; 10+ years in lieu of a degree.*
• Active DoD 8140 IAT Level II, or higher, certification (e.g., Security+ CE, CCNA Security, CySA+, CISSP, etc.).
• Ability to work full-time, 5 business days per week, onsite in Ft. Meade, MD.
• Significant hands-on experience with:
• Trellix platform administration and policy management via ePO
• ACAS vulnerability scanning tools
• SIEM platforms, such as Microsoft Sentinel
• Vulnerability remediation workflows and endpoint security operations
• DoD cybersecurity frameworks and RMF processes
• Ability to assume full ownership and accountability for tasks and deadlines, work with limited supervision, and commit to high quality results and deliverables.
• Highly developed interpersonal and oral/written communication skills to effectively and professionally interact with a diverse set of stakeholders (from peers to end-users to executive management).
• Strong problem-solving and decision-making capabilities, with a proven ability to weigh the relative costs and benefits of potential actions and identify the most appropriate solution.

Req Benefits:

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