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Senior Security Engineer - Washington D.C. - Public Trust Needed Technology Systems

SOC LLC
United States, D.C., Washington
Dec 10, 2025

Senior Security Engineer needed for a Contract to hire opportunity with SOC's client to work onsite in Washington D.C.

*Candidates must be a U.S. citizen or green card holder who has resided in the U.S. for at least 3 years and have the ability to obtain a Public Trust Clearance.

Senior Security Engineer to supporting the Client's Cybersecurity mission by joining a dedicated team of cybersecurity professionals who collaborate, cooperate, and facilitate maintaining and enhancing the security posture of information systems and infrastructure. These information systems and infrastructure support the client's mission of managing and maintaining critical infrastructure.

Top Qualifications, Skills, Experience or Certifications:



  • 9 years in Cybersecurity or related Information Technology fields, Bachelors and nine (8) years or more experience; Masters and seven (7) years or more experience
  • Experience working with Endpoint protection management solutions
  • Network+, Security+, SSCP, GISF, ISACA Cybersecurity Fundamentals, or similar technical certification
  • Proven understanding of Federal Cybersecurity requirements (i.e. FISMA, NIST 800 series, etc)
  • Excellent communications skills with the capacity to describe endpoint security concepts to unacquainted individuals
  • Exceptional ability to collaboration and coordinate with cross-functional teams


Job Role Specific Requirements:

  • Engage with Federal Leadership and counterparts to implement endpoint protection profile changes to address external threats, and enforce security requirements
  • Coordinate with application administrators and infrastructure administrators and engineers to troubleshoot issues associated with endpoint protection software
  • Support integration of endpoint security data with security log aggregation solutions, to include security information event management tools
  • Participate in declared cybersecurity incident handling activities when requested
  • Keep current regarding latest threats, vulnerabilities, and industry best practices related to endpoint security
  • Work Cyber related security operations ITSM (ServiceNow) assigned tickets to completion
  • Participate in relevant Cybersecurity and Security Operations (SecOps) meetings
  • Collaborate on and provide feedback to cybersecurity solutions that enhance security posture


Preferred skills and qualifications:

  • Familiarity and comprehensive foundational understanding of application and technology stacks, cloud-based systems, operating systems, databases, networking, firewalls, Data Loss Prevention, Endpoint Security Software, Network Intrusion Detection and Prevention Systems (IDS/IPS) and host-based IDS and IPS and general cyber security best practices and industry standards

Employment Prerequisites

The following requirements must be met to be eligible for this position: successful completion of a background investigation and drug urinalysis.

SOC, a Day & Zimmermann company, is an Equal Opportunity Employer, EOE AA M/F/Vet/Disability.

Note: Any pay ranges displayed are estimations, which may have been provided by job boards. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.


Estimated Min Rate: $47.22

Estimated Max Rate: $67.45

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