Senior Security Engineer

Sorry, this job was removed at 08:48 p.m. (UTC) on Monday, Oct 12, 2026
Be an Early Applicant
Reston, VA, USA
In-Office
Senior level
Information Technology • Professional Services • Consulting • Cybersecurity
The Role
Designs, implements, and maintains enterprise security solutions across endpoint, cloud, email, network, and identity domains. Monitors threats, supports incident response, performs remediation and root cause analysis, maintains security configurations and standards, assists with audits and compliance, researches emerging threats, and leads security projects while advising technical and business stakeholders.
Summary Generated by Built In

Endurance IT Services is in search of Senior Security Engineer to join a client in North Virginia! This security engineer will help design, implement, and maintain enterprise security solutions that protect systems, data, and users. This role combines security engineering, incident response, technical leadership, and cross-functional collaboration to strengthen the organization's overall security posture.


  • Employment Type: Direct Hire
  • Location: Reston, VA
  • Work Arrangement: Onsite

Key Responsibilities
  • Design, implement, and support enterprise security tools and services across endpoint, cloud, email, network, and identity security domains.
  • Monitor security alerts, logs, and telemetry to identify threats, vulnerabilities, and opportunities for improvement.
  • Ensure security platforms remain properly configured, patched, and aligned with established security standards.
  • Support incident response activities, including investigation, containment, remediation, and post-incident reviews.
  • Partner with IT and project teams to integrate security requirements into system designs and technology initiatives.
  • Assist with audits, compliance efforts, documentation, policies, standards, and operational runbooks.
  • Research emerging threats and technologies and recommend security enhancements.
  • Lead or contribute to security projects while providing technical guidance to peers and stakeholders.


Requirements
  • 5+ years of experience designing, implementing, and administering enterprise security solutions.
  • Strong expertise in areas such as endpoint security, vulnerability management, cloud security, Microsoft 365 security, encryption, logging, and threat management.
  • Experience with incident response, root cause analysis, and remediation activities.
  • Knowledge of security controls, standards, compliance frameworks, and audit processes.
  • Strong analytical, troubleshooting, documentation, and communication skills.
  • Ability to work independently while collaborating effectively across technical and business teams.
Preferred Qualifications 
  • Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Engineering, or a related field, or equivalent experience.
  • Security certifications such as CISSP, CISA, GIAC, Security+, Microsoft Security, or similar credentials.
  • Experience with Azure, Microsoft 365, SIEM platforms, network security, vulnerability management, endpoint protection, and enterprise security operations.
  • Experience working in a regulated or large-scale enterprise IT environment.



About Us:

Endurance IT Services provides Managed IT Services, Cybersecurity Solutions, Network Infrastructure, and IT Consulting to help businesses stay secure, connected, and productive. We also offer IT Staffing for Direct-Hire, Contract-to-Hire, and Contract roles, as well as internal full-time positions.
Some opportunities may not be exclusive and may evolve as we work with clients—but our mission remains consistent: helping candidates find the right job that aligns with their skills and career goals.


Skills Required

  • 5+ years of experience designing, implementing, and administering enterprise security solutions
  • Expertise in endpoint security, vulnerability management, cloud security, Microsoft 365 security, encryption, logging, and threat management
  • Experience with incident response, root cause analysis, and remediation activities
  • Knowledge of security controls, standards, compliance frameworks, and audit processes
  • Strong analytical, troubleshooting, documentation, and communication skills
  • Ability to work independently and collaborate across technical and business teams
  • Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related field, or equivalent experience
  • Security certification such as CISSP, CISA, GIAC, Security+, or Microsoft Security
  • Experience with Azure, Microsoft 365, SIEM platforms, network security, vulnerability management, endpoint protection, and enterprise security operations
  • Experience in a regulated or large-scale enterprise IT environment

Similar Jobs

MongoDB Logo MongoDB

Security Engineer

Big Data • Cloud • Software • Database
Easy Apply
Remote or Hybrid
3 Locations
5550 Employees
126K-248K Annually

Zscaler Logo Zscaler

Site Reliability Engineer

Cloud • Information Technology • Security • Software • Cybersecurity
Easy Apply
Hybrid
Crystal City, VA, USA
8697 Employees
164K-205K Annually

Capital One Logo Capital One

Security Engineer

Fintech • Machine Learning • Payments • Software • Financial Services
Hybrid
Richmond, VA, USA
55000 Employees
209K-239K Annually

Samsara Logo Samsara

Senior Security Operations Engineer

Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Easy Apply
Remote or Hybrid
USA
4000 Employees
135K-228K Annually
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Virginia Beach, VA
Year Founded: 2008

What We Do

Endurance IT Services is a locally owned IT Services firm specializing in serving businesses in Hampton Roads and the Commonwealth of Virginia, providing Managed IT Services, Cybersecurity Solutions, and IT Consulting to help businesses stay secure and productive.

Similar Companies Hiring

NODA AI Thumbnail
Artificial Intelligence • Information Technology • Software • Cybersecurity
Sydney, AU
54 Employees
Golden Pet Brands Thumbnail
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo, California
178 Employees
Cravath, Swaine & Moore LLP Thumbnail
Legal Tech • Other • Professional Services
New York, NY
1200 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account