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Senior Endpoint Security Jobs in Washington (NOW HIRING)

Leidos

Sr. Endpoint Security Systems Engineer

Bethesda, MD · On-site

$107K - $195K/yr

Leidos has an exciting opportunity for a Sr. Endpoint Security Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area . Our talented team is at the forefront in Security ...

Leidos

Sr. Endpoint Security Systems Engineer

Bethesda, MD · Hybrid

$107K - $195K/yr

Leidos has an exciting opportunity for a Sr. Endpoint Security Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area . Our talented team is at the forefront in Security ...

MSM Technology, LLC

Sr. Endpoint Engineer

Arlington, VA · On-site

$140K - $160K/yr

MSM Technology is seeking a Senior Endpoint Engineer to support the Department of Homeland Security in a fully cloud-based Microsoft Azure environment. The selected candidate will join a team of ...

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Senior Endpoint Security information

What is a senior endpoint security professional?

Senior Endpoint Security professionals are experts responsible for protecting an organization’s devices—such as computers, mobile phones, and servers—from cyber threats. They design, implement, and manage security solutions to safeguard endpoints against malware, unauthorized access, and data breaches. In addition to technical skills, they often lead teams, develop security policies, and respond to security incidents to ensure the organization's digital assets remain secure.

What are the key skills and qualifications needed to thrive as a senior endpoint security professional?

To thrive as a Senior Endpoint Security specialist, you need deep expertise in cybersecurity principles, endpoint protection, vulnerability management, and a relevant degree or industry certifications such as CISSP or CompTIA Security+. Mastery of endpoint detection and response (EDR) tools, SIEM platforms, and scripting languages like PowerShell or Python is typically required. Analytical thinking, problem-solving abilities, and strong communication skills help you effectively assess threats and collaborate with cross-functional teams. These skills are crucial to proactively safeguard organizational assets and minimize security risks in an evolving threat landscape.

What are some common challenges faced by senior endpoint security professionals in managing large-scale device environments?

Senior Endpoint Security professionals often encounter challenges such as ensuring consistent policy enforcement across diverse device types, addressing zero-day vulnerabilities rapidly, and managing endpoint agents without impacting user productivity. Balancing security requirements with the operational needs of various departments, especially in a hybrid or remote work environment, can also be complex. Effective collaboration with IT, compliance, and incident response teams is essential to maintain robust endpoint protection while supporting business objectives.

What is the difference between Senior Endpoint Security vs Endpoint Security Engineer?

AspectSenior Endpoint SecurityEndpoint Security Engineer
CertificationsCompTIA Security+, CISSP, CISACompTIA Security+, CISSP, CISA
Work EnvironmentSecurity teams, IT departments, enterprise environmentsSecurity teams, IT departments, enterprise environments
ResponsibilitiesOversees security policies, manages security tools, mentors staffImplements security solutions, monitors endpoints, responds to threats

Both roles require similar certifications and work in enterprise environments. The Senior Endpoint Security role typically involves leadership, strategic planning, and oversight, while the Endpoint Security Engineer focuses on technical implementation and monitoring. The senior position often supervises teams and develops security policies, whereas the engineer handles day-to-day security operations.

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

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

What are popular job titles related to Senior Endpoint Security jobs in Washington?

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

What job categories do people searching Senior Endpoint Security jobs in Washington look for?

The top searched job categories for Senior Endpoint Security jobs in Washington are:

Senior Endpoint Security jobs near you

Sr. Endpoint Security Systems Engineer

Via Logic LLC

Bethesda, MD • On-site

$150 - $200/hr

Other

Medical, Retirement, PTO

Posted 6 days ago

Key responsibilities

  • Maintain and upgrade the central management consoles (currently Trellix - ePolicy Orchestrator) on multiple isolated networks

  • Manage the integration of mission application servers (Linux and Windows) with the management console and deploy malware protection software updates

  • Respond to mission teams to troubleshoot issues with endpoint security integration and improve security suite performance

Job description

Leidos has an exciting opportunity for a Sr. Endpoint Security Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

This effort is seeking an experienced Sr. Endpoint Security Systems Engineer to join our Cyber Security Engineering team. The focus of this team member will be to design, deploy, maintain, and upgrade endpoint security capabilities, with opportunities for cross training on our other security tools. Working in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint security product and maintaining the scan policies to ensure proper protection of mission systems from external threats.

Primary Responsibilities
  • Maintaining and upgrading the central management consoles (currently Trellix - ePolicy Orchestrator) on multiple isolated networks
  • Managing the integration of mission application servers (Linux and Windows) with the management console
  • Deploying malware protection software (currently Trellix Endpoint Threat Protection) updates and improved scan exclusion policies to mission application servers
  • Responding promptly to mission teams to successfully troubleshoot issues with integration (including cases where excessive real time malware scans are believed to be impeding mission performance)
  • Determine methods to automate and improve the performance of the endpoint security suite within a hybrid cloud/on-prem environment
  • Integrate endpoint security scan processes for integrated reporting via external tools (such as Splunk or AppDynamics)
  • Investigate findings of malware detected on mission application servers
Basic Qualifications
  • Experience with tools such as Trellix ePolicy Orchestrator and Trellix Endpoint Threat Protection
  • Experience with maintaining systems on Linux and Windows platforms
  • Ability to partner with mission application teams to jointly troubleshoot issues with endpoint security integration
  • Experience with incident detection, incident response and forensics activities
  • Strong attention to detail with analytical mind and outstanding problem-solving skills
  • Bachelor’s degree with 8 or more years relevant experience. Additional years of experience may be substituted in lieu of a degree.
  • To be considered must have an active TS/SCI with polygraph security clearance
Preferred Qualifications
  • Experience with Cisco Secure Endpoint (formerly AMP for Endpoints) or other endpoint security tools
  • Experience with Cloud Computing Technologies/Amazon Web Services (AWS)
  • Experience integrating endpoint security tool findings with external products such as Splunk or AppDynamics
  • Experience with managing endpoint security across on-prem and cloud environment boundaries
  • Experience with additional cyber security tools and processes such as Splunk, Rapid7, SolarWinds, Cisco IDS/IPS, VPN, WebInspect, AppDetective

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares.

Original Posting

August 25, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment 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, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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