Demo

Senior Security Engineer

ALTA IT Services, LLC
Washington, DC Contractor
POSTED ON 12/11/2025
AVAILABLE BEFORE 7/18/2026
Job Title: Senior Security Engineer


Location: Washington, DC (100% onsite)


Type: Contract


Security Clearance: Public Trust 


Senior Security Engineer to supporting the Department of Transportation’s Cybersecurity mission by joining a dedicated team of cybersecurity professionals who collaborate, cooperate, and facilitate maintaining and enhancing the security posture of DOT information systems and infrastructure. These information systems and infrastructure support the DOT mission of managing and maintaining United States critical infrastructure (i.e. highways, bridges, roads, etc.).

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 DOT 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






System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.



System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.



#M2





#DI-CS1



Ref: #850-Rockville (ALTA IT)

Hourly Wage Estimation for Senior Security Engineer in Washington, DC
$67.00 to $81.00
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