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Senior Security Engineer

Job in Winchester, Frederick County, Virginia, 22603, USA
Listing for: Prosum
Full Time position
Listed on 2026-02-07
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 60 - 62.5 USD Hourly USD 60.00 62.50 HOUR
Job Description & How to Apply Below

This range is provided by Prosum. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$60.00/hr - $62.50/hr

Direct message the job poster from Prosum

We are seeking a Senior Security Engineer to join our growing security team. This role is ideal for a highly skilled and hands-on professional who has a proven track record in deploying and managing enterprise security tools and implementing security best practices. The ideal candidate will have strong technical expertise, a proactive approach to threat management, and the ability to collaborate across departments to elevate our security posture.

Key Responsibilities:

  • Implement, configure, and maintain enterprise-grade security tools, including Mimecast, Sophos, and Qualys.
  • Enforce and refine Microsoft 365 security best practices across the organization.
  • Lead and support vulnerability management efforts, including scanning, prioritization, and remediation coordination.
  • Assist in the implementation of security controls across a hybrid cloud and on-prem environment.
  • Collaborate with IT and Dev Ops teams to ensure secure systems configurations and compliance.
  • Monitor, investigate, and respond to security incidents and alerts.
  • Create documentation and provide knowledge transfer to internal stakeholders.

Must-Have Qualifications:

  • Demonstrated hands-on experience with:
  • Mimecast
  • Sophos
  • Qualys
  • Deep understanding of Microsoft 365 security configurations and threat protection tools.
  • Proven experience in vulnerability management across diverse environments.
  • Track record of successfully implementing security controls at scale.

Nice-to-Have Skills:

  • Experience configuring and managing Palo Alto firewalls
  • Familiarity with server patching methods and patch management strategies
  • Active CISSP certification
Seniority level
  • Seniority level

    Mid-Senior level
Employment type
  • Employment type

    Contract
Job function
  • Industries

    IT Services and IT Consulting

Referrals increase your chances of interviewing at Prosum by 2x

Inferred from the description for this job

Medical insurance

Vision insurance

401(k)

Disability insurance

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Kearneysville, WV $80,000.00-$ 1 day ago

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Position Requirements
10+ Years work experience
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