Senior TS/SCI Endpoint Security Engineer – Enterprise Scale

D2 Consulting; Springfield (VA); On-site; USD 170,000 - 175,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

Accrued PTO

STD/LTD/Life Insurance

Referral Bonuses

Professional development reimbursement

Job summary

D2 Technical Services is seeking a Senior Endpoint Security Engineer to support NGA in Springfield, VA. You will be embedded with the team, owning enterprise endpoint security across a large environment and shaping security architecture.

The role requires active TS/SCI clearance and DoD IA certifications, with Trellix product experience and strong collaboration with vendors and leadership.

Qualifications

• Active TS/SCI clearance is required and must be current.
• DoD 8140/8570 IAT Level II certification is required.
• CSSP Infrastructure Support cert (CEH, CySA+, or similar) or ability to obtain within 120 days.
• Bachelor's degree in Engineering, Computer Science, or related field with 5+ years of hands-on security experience.
• Strong experience administering Windows-based enterprise environments.
• Proven Trellix product suite experience in large deployments.
• Familiarity with DoD Architecture Framework and enterprise network planning.
• Ability to brief senior leadership on security posture clearly.

Responsibilities

• Architect and enforce security configurations protecting networks, devices, and data from threats.
• Lead engineering and sustainment of Trellix endpoint security solutions (ENS, DLP, Policy Auditor, FIM, App Whitelisting).
• Drive security infrastructure from design through implementation including config, standards docs, and policy management.
• Partner with software vendors and the customer to roll out enterprise-wide security enhancements.
• Own incident investigation and reporting; lead corrective action.
• Advise senior leadership with clear status reports and security assessments.

Skills

TS/SCI clearance

DoD 8140/8570 IAT II

CSSP Infrastructure

Bachelor's degree in Eng/CS

5+ years experience

Windows Enterprise

Trellix product suite

DoD Architecture Framework

Stakeholder briefing

Education

Bachelor's degree in Engineering, Computer Science, or related field

Tools

Trellix product suite

Job description

D2 Technical Services is seeking a Senior Endpoint Security Engineer to support NGA in Springfield, VA. You will be embedded with the team, owning enterprise endpoint security across a large environment and shaping security architecture.

The role requires active TS/SCI clearance and DoD IA certifications, with Trellix product experience and strong collaboration with vendors and leadership.