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Endpoint Security Engineer Jobs in Washington, DC

Halvik

Endpoint Security Engineer

Alexandria, VA · On-site

$100K - $110K/yr

Position Overview The SentinelOne Endpoint Security Engineer is responsible for the administration, management, and optimization of the organization's endpoint security environment, with a primary ...

Halvik

Endpoint Security Engineer

Alexandria, VA · On-site

$100K - $110K/yr

Position OverviewThe SentinelOne Endpoint Security Engineer is responsible for the administration, management, and optimization of the organization's endpoint security environment, with a primary ...

Tetra Tech

Endpoint Security Engineer

Alexandria, VA · On-site

$110 - $150/hr

Position Overview The SentinelOne Endpoint Security Engineer is responsible for the administration, management, and optimization of the organization's endpoint security environment, with a primary ...

Halvik

Endpoint Security Engineer

Alexandria, VA

Position Overview The SentinelOne Endpoint Security Engineer is responsible for the administration, management, and optimization of the organization's endpoint security environment, with a primary ...

CACI

Endpoint Security Engineer III

Springfield, VA

Endpoint Security Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% ...

Socket.dev

Endpoint Security Engineer

Washington, DC · On-site

$150 - $190/hr

As an Endpoint Security Engineer, you'll design, deploy, and operationalize behavior-based endpoint detection and response (EDR/XDR) capabilities protecting one of the largest private operational ...

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Endpoint Security Engineer information

See Washington, DC salary details

$69.4K

$172.4K

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How much do endpoint security engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for endpoint security engineer in Washington, DC is $172,381.00, according to ZipRecruiter salary data. Most workers in this role earn between $161,400.00 and $178,800.00 per year, depending on experience, location, and employer.

What does an endpoint security engineer do?

An Endpoint Security Engineer is responsible for securing an organization's endpoints, including desktops, laptops, mobile devices, and servers. They implement, monitor, and manage security solutions such as antivirus software, endpoint detection and response (EDR) tools, and access controls. Their primary goal is to protect endpoints from cyber threats, malware, and unauthorized access. They also collaborate with IT and security teams to develop policies, respond to incidents, and ensure compliance with security frameworks.

What are the key skills and qualifications needed to thrive as an endpoint security engineer?

Success as an Endpoint Security Engineer requires a solid understanding of cybersecurity principles, endpoint protection, and threat detection, often backed by a degree in computer science, cybersecurity, or a related field. Familiarity with industry-standard tools such as antivirus/EDR solutions (e.g., CrowdStrike, Carbon Black), SIEM platforms, scripting languages, and certifications like CompTIA Security+ or CISSP are frequently expected. Strong analytical thinking, communication skills, and a proactive attitude help engineers collaborate across IT teams and respond swiftly to security incidents. These competencies are vital for staying ahead of evolving threats and ensuring robust protection of organizational endpoints.

What are some common challenges faced by endpoint security engineers in their day-to-day work?

Endpoint Security Engineers often encounter challenges such as staying updated with rapidly evolving threat landscapes, ensuring consistent security policy enforcement across various device types, and balancing robust protection with user productivity. They may need to troubleshoot endpoint agents, respond to incident alerts, and work closely with IT and helpdesk teams to remediate vulnerabilities or outbreaks. Additionally, they often manage deployment of security patches and educate users on best practices. Addressing these challenges requires a combination of technical expertise, adaptability, and strong communication to keep endpoints and sensitive data secure.

What are the most commonly searched types of Endpoint Security Engineer jobs in Washington, DC?

The most popular types of Endpoint Security Engineer jobs in Washington, DC are:

What are popular job titles related to Endpoint Security Engineer jobs in Washington, DC?

For Endpoint Security Engineer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Endpoint Security Engineer jobs in Washington, DC look for?

The top searched job categories for Endpoint Security Engineer jobs in Washington, DC are:

Endpoint Security Engineer jobs near you
Infographic showing various Endpoint Security Engineer job openings in Washington, DC as of August 2026, with employment types broken down into 85% Full Time, 12% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $172,381 per year, or $82.9 per hour.

Endpoint Security Engineer

GuidePoint Security

Falls Church, VA • On-site

Full-time

Posted 3 days ago

New

Job description

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk.
Endpoint Security Engineer
General Description
We are looking for a skilled Endpoint Security Engineer to balance proactive protection with business continuity-partnering directly with end-users and application owners to tune policies and eliminate operational friction, while providing tier-3/tier-4 technical escalations to Security Operations Center (SOC) analysts and IT Operations staff during active investigations.
The Endpoint Security Engineer, will design, deploy, and operationalize active, behavior-based endpoint detection and response (EDR/XDR) capabilities across one of the largest private operational fleets in North America. Protecting an enterprise comprising 600,000+ employees and 30,000+ physical sites, you will maintain rigorous security posture across traditional end-user computing (EUC) devices (laptop, desktop, mobile devices & retail terminals), on-premises physical & virtual servers & containerized workloads, and dynamic multi-cloud workloads (AWS, Azure, GCP).
About the Federal Region
GuidePoint Security is the trusted partner that defense and civilian government agencies rely on to lead their cybersecurity efforts and protect their organizations. We help solve their most complex security challenges, mature security architectures, and proactively reduce risk. Our purpose-built solutions ensure compliance, safeguard critical assets, and align security with organizational objectives. Backed by deep expertise, strong partnerships, and advanced technologies, we deliver scalable, adaptive capabilities that evolve with the threat landscape so Federal agencies can lead with confidence and protect what's next.
Roles and Responsibilities
Fleet-Wide Behavioral Defense & Control Engineering:
  • Engineer, deploy, and maintain Next-Gen Antivirus (NGAV) and Endpoint Detection & Response (EDR/XDR) agents (e.g., CrowdStrike Falcon, Microsoft Defender for Endpoint, SentinelOne) across hundreds of thousands of heterogeneous endpoints.
  • Implement active behavioral protections against zero-day malware, living-off-the-land binaries (LotLBs), fileless execution, and credential dumping.

Application Owner & End-User Engagement (Business Impact Management):
  • Serve as the primary technical partner to application owners and business units, establishing baseline behavior profiles to minimize false positives, performance degradation, or operational downtime across critical retail, logistics, and supply chain applications.
  • Manage allowlisting, exception workflows, and phased ring deployments (canary/pilot/production) to ensure silent, high-efficacy protection without disrupting day-to-day warehouse or logistics operations.

SOC & IT Operations Event Investigation Support:
  • Act as endpoint security escalation lead for SOC analysts during high-severity threat detection and response events.
  • Act as endpoint operations escalation lead for IT administrators during high-impact event investigation and remediation efforts.
  • Perform advanced host forensics, process-tree reconstruction, memory analysis, and script-based live remediation (e.g., host isolation, automated artifact collection, registry rollbacks).

Hybrid & Multi-Cloud Workload Protection:
  • Extend endpoint security standards across private data center virtualization layers (VMware/Nutanix) and ephemeral multi-cloud infrastructure (EC2, Azure VMs, Compute Engine, containerized hosts).

Control Efficacy & Continuous Validation:
  • Continuously measure and test security control efficacy using automated attack simulation (BAS) tools and Purple Team exercises.
  • Track and report on agent health, tamper-resistance, telemetry pipeline integrity, and coverage metrics aligned with enterprise asset management systems.

Required Experience and Education:
  • 7+ years of progressive experience in technical cybersecurity engineering or infrastructure security roles.
  • At least 3-5 years directly engineering and administering enterprise-grade EDR/XDR platforms across 50,000+ endpoints in a distributed hybrid environment.
  • Demonstrated track record supporting active SOC investigations and collaborating cross-functionally with system owners in large-scale enterprise environments.
  • Bachelor's degree in computer science, Cybersecurity, Information Systems. If the individual's degree is not in the applicable field, then four additional years of related experience is required.
  • EDR/XDR Engineering: Expert-level proficiency administering enterprise-scale endpoint platforms across Windows, macOS, Linux distributions, and container runtime environments.
  • Behavioral Analysis & Threat Hunting: Deep mastery of process lineage, behavioral IOAs (Indicators of Attack), Sysmon telemetry, and detection authoring using query languages such as SQL, KQL (Kusto Query Language), Splunk SPL, or YARA.
  • Hybrid Infrastructure & OS Internals: Deep understanding of Windows/Linux kernel architectures, API hooking, hypervisor isolation, and multi-cloud workload identity integrations.
  • Automation & Scripting: Strong programming/scripting abilities in PowerShell, Python, or Bash to orchestrate fleet-wide remediations and automate policy compliance at scale.
    Artificial Intelligence & Machine Learning: Fluency applying appropriate AI/ML technologies and analytics platforms (Splunk, Databricks, Elastic) to streamline and/or automate activities including but not limited to research, developing documentation, and supporting development of executive communications.
  • Fluency applying appropriate AI/ML technologies to automate security activities to improve timeliness or full automation of event response activities.
  • Stakeholder Empathy & Impact Analysis: Proven ability to balance stringent security controls with business operational velocity, ensuring minimal disruption to end-user productivity and mission-critical COTS/proprietary software.
  • Crisis Leadership & Composure: Capable of methodically triaging active enterprise threats under pressure and articulating complex host-based attacks to executive leadership.
  • Operational Scale Management: Mindset geared toward "Infrastructure-as-Code" and policy automation rather than manual device-by-device intervention.
  • Embraces emerging technologies, including AI tools, to work smarter, solve problems, and drive better business outcomes.

Preferred Experience and Education
  • GIAC Certified Enterprise Defender (GCED), GIAC Certified Incident Handler (GCIH), or GCFA (Forensic Analyst).
  • CISSP (Certified Information Systems Security Professional).
  • Specialized Vendor Engineering Credentials (e.g., CrowdStrike Certified Falcon Administrator/Hunter, Microsoft Certified: Security Operations Analyst Associate / SC-200).

Additional Provisions
  • Pass a client mandated clearance process to include drug screening, criminal history check and credit check.
  • Once candidate's resume is approved and interview passed, the agency is responsible for providing drug screening. Failure to submit the drug screening results will delay the security clearance process.
  • If a candidate is given an interim clearance, continuation of employment is then based on the candidate receiving a sensitive clearance.
  • All candidates must be a US Citizen or permanent status Green Card holder.
  • Cannot have more than 6 months travel outside the United States within the last five years. Military Service excluded. (Exception does not include military family members.)
  • All overtime must be pre-approved in writing by the client manager or his/her designated representative.
  • Agency will not be reimbursed for overtime charges without previous written authorization. Authorized overtime will be reimbursed at straight time.
  • The enforced dress code is business casual, i.e., collared shirt with slacks for men, no skirts above the knee for women.

Travel Requirements
  • Work will be remote with candidates located in Morrisville, NC; Falls Church, VA; or Eagan, MN given preference

Physical Requirements
  • Sedentary work
  • Substantial movement of the wrists, hands, and/or fingers for a minimum of 8 hours a day
  • Required to have close visual acuity to view computer terminal and/or extensive reading for a minimum of 8 hours a day
  • If you have additional physical requirements/changes, please discuss with HR first

"Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classified information."
We use Greenhouse Software as our applicant tracking system and Zoom Scheduler for HR screen request scheduling. At times, your email may block our communication with you. Please be sure to check your SPAM folder so that you don't miss updates on your application.
Why GuidePoint?GuidePoint Security is a rapidly growing, profitable, privately-held value added reseller that focuses exclusively on Information Security. Since its inception in 2011, GuidePoint has grown to over 1,300 employees, established strategic partnerships with leading security vendors, and serves as a trusted advisor to more than 6,200 customers.
Firmly-defined core values drive all aspects of the business, which have been paramount to the company's success and establishment of an enjoyable workplace atmosphere. At GuidePoint, your colleagues are knowledgeable, skilled, and experienced and will seek to collaborate and provide mentorship and guidance at every opportunity.
This is a unique and rare opportunity to grow your career along with one of the fastest growing companies in the nation.
Some added perks....
  • Remote workforce primarily (U.S. based only, some travel may be required for certain positions, working on-site may be required for Federal positions)
  • Group Medical Insurance options: Zero Deductible PPO Plan (GuidePoint pays 90% of the premium for employees and 70% for family plans (spouse/children/family) or High Deductible Health Plan with HSA (GuidePoint pays 100% of the employees premiums and 75% for family plans (spouse/children/family). If you choose the High Deductible / HSA plan, GPS will contribute in 4 equal quarterly installments: ($850 per EE annually / $1750 per family annually (includes spouse/children/family options)
  • Group Dental Insurance: GuidePoint pays 100% of the premium for employees and 75% of family plans
  • 12 corporate holidays and a Flexible Time Off (FTO) program
  • Healthy mobile phone and home internet allowance
  • Eligibility for retirement plan after 2 months at open enrollment
  • Pet Benefit Option

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