Information Technology & Services

Senior Endpoint Security Engineer I (6701)

Washington, DCOnsiteFull TimeSenior$138,000–$166,000 /yrPosted 2 months ago

Is this role right for you?

Upload your resume and get a skill-by-skill breakdown — see exactly where you match, where you're close, and what to highlight. Not a mystery percentage.

Get a tailored resume highlighting what this role needs.

Required skills

TS/SCI
Policy Auditor
Rogue System Detection
SIEM
SOAR
application whitelisting
endpoint hardening
encryption
data protection
threat intelligence

Nice to have

JCIP
MetroStar
MetroStar.com

Role summary

MetroStar is seeking a Sr. Endpoint Security Engineer (Trellix) I to lead the organization's endpoint security and data protection ecosystem. This role involves daily operational support and strategic cybersecurity engineering, collaborating with security operations, infrastructure, application teams, and leadership. Responsibilities include managing Trellix platforms (ePO, ENS, EDR, DLP, encryption), supporting SOC analysts, remediating compliance findings, designing hardening solutions, developing DLP policies, integrating endpoint security with SIEM/SOAR, performing root-cause analysis, creating reports, documenting architectures, and researching threats. Requires an active TS/SCI clearance and 5+ years of experience with Trellix solutions in a large enterprise.

As a Sr. Endpoint Security Engineer (Trellix SME), you’ll serve as the technical lead for the organization's endpoint security and data protection ecosystem, balancing day-to-day operational support with strategic cybersecurity engineering initiatives. You will work closely with security operations, infrastructure, application teams, and leadership to strengthen the organization's overall security posture.

We know that you can’t have great technology services without amazing people. At MetroStar, we are obsessed with our people and have led a two-decade legacy of building the best and brightest teams. Because we know our future relies on our deep understanding and relentless focus on our people, we live by our mission: A passion for our people. Value for our customers.

What you’ll do:

Monitoring and managing enterprise Trellix security platforms, including ePO, ENS, EDR, DLP, and encryption technologies.

Supporting SOC analysts by tuning alerts, improving detection capabilities, and investigating endpoint security events.

Remediating JCIP and compliance findings through application whitelisting, File Integrity Monitoring (FIM), DLP enhancements, and security control implementations; designing and deploying endpoint hardening and application control solutions using Trellix Application and Change Control (Solidcore).

Developing and maintaining DLP policies, encryption controls, removable media protections, and data classification safeguards; integrating endpoint security telemetry into SIEM and SOAR platforms to improve visibility, detection, and automated response capabilities.

Performing root-cause analysis of security incidents, policy conflicts, and endpoint management issues; developing automation workflows and operational efficiencies using scripts, APIs, and orchestration tools.

Creating and maintaining dashboards, reports, and metrics to support cybersecurity operations and executive reporting; collaborating with security assessors and compliance teams to implement and validate technical controls.

Documenting security architectures, SOPs, playbooks, and engineering standards; researching emerging threats, evaluating new security capabilities, and recommending improvements to strengthen enterprise cyber defenses.

What you’ll need to succeed:

Active TS/SCI security clearance.

7 Years Engineering experience with 5 years of experience administering Trellix security solutions in a large enterprise environment.

Hands-on experience with Trellix ePolicy Orchestrator (ePO), Endpoint Security (ENS), Endpoint Detection and Response (EDR), Data Loss Prevention (DLP), Drive Encryption (FRP/FRMP), Threat Intelligence Exchange (TIE), Data Exchange Layer (DXL), Policy Auditor, Rogue System Detection, Trellix Security for Microsoft Exchange (TSME), Application and Change Control (Solidcore), and File Integrity Monitoring (FIM).

Experience implementing and managing application whitelisting, endpoint hardening, encryption, and data protection technologies; integrating endpoint security platforms with SIEM, SOAR, threat intelligence, and identity management solutions.

Strong understanding of endpoint security architecture, cyber threat detection, incident response, and risk management principles; experience developing and maintaining DLP policies, device control mechanisms, and data exfiltration prevention controls.

Experience supporting SOCs and enhancing 24x7 threat monitoring and response capabilities; ability to develop security engineering standards, SOPs, playbooks, and operational procedures.

Experience supporting compliance initiatives and implementing security controls aligned with federal cybersecurity frameworks and regulations; strong analytical, troubleshooting, and root-cause analysis skills.

SALARY RANGE: $138,000 - $166,000

The salary range for this position is determined based on qualifications, skills, and relevant experience. The final salary offered will be determined based on several factors including:

The candidate's professional background and relevant work experience

The specific responsibilities of the role and organizational needs

Internal equity and alignment with current team compensation

This role is also eligible for additional compensation, subject to the terms and policies of MetroStar, which may include:

Performance-based bonuses

Company-paid training and/or certifications

Referral bonuses

Application Deadline: Applications will be accepted on a rolling basis until the position is filled; candidates are encouraged to apply as early as possible for full consideration.

Additional Compensation: This role may also be eligible for bonuses and/or additional incentives based on individual and company performance.

Benefits: All full-time employees are eligible to participate in our benefits programs:

Health, dental, and vision insurance

401(k) retirement plan with company match

Paid time off (PTO) and holidays

Parental Leave and dependent care

Flexible work arrangements

Professional development opportunities

Employee assistance and wellness programs

Like we said, we are big fans of our people. That’s why we offer a generous benefits package, professional growth, and valuable time to recharge. Learn more about our company culture code and benefits. Plus, check out our accolades.

Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment based on merit and without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, status as a protected veteran, or any other status protected by applicable federal, state, local, or international law.

What we want you to know:

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

Not ready to apply now?

Ready to apply?

You'll be redirected to MetroStar's application page.

Senior Endpoint Security Engineer I (6701)

Is this role right for you?

Required skills

Nice to have

Role summary

Similar roles

See how RiseMe works