Senior Security Engineer Job at Prosum, Winchester, VA

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  • Prosum
  • Winchester, VA

Job Description

Job Title: Senior Security Engineer

Location: Onsite (Winchester, VA)

Pay Range: $60/hour to $62.5/hour W2

Overview:

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 DevOps 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

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