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Senior Security Engineer

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: Cybersecurity Jobs
Full Time position
Listed on 2026-10-24
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, Information Security & Data Protection
Salary/Wage Range or Industry Benchmark: 140441 - 202303 USD Yearly USD 140441.00 202303.00 YEAR
Job Description & How to Apply Below

Senior Security Engineer will design, implement, operate, and continuously improve security technologies and controls, with a focus on application security across the SDLC and CI/CD.

Responsibilities
  • Develop and maintain software application security policies and procedures
  • Implement software application security controls
  • Partner with Dev Ops to develop a secure CI/CD pipeline
  • Design and operate web application firewall (WAF) and API protections
    ; tune rules, reduce false positives, and automate policy updates
  • Identify application security vulnerabilities and issues; perform risk assessments and deliver mitigations
  • Develop security monitoring for the application stack
  • Conduct technical investigations of application security incidents
  • Interface with senior stakeholders across the IT leadership team to interpret risks and priorities proactively
  • Support the organization’s diversity and inclusion strategy by following policies and procedures that ensure opportunities for employees and diverse business partners
  • Assist with other job duties as assigned
Requirements
  • 6 to 8 years of experience in Application Security (designing, implementing, and operating security controls in enterprise application environments)
  • Hands-on web application security experience, including OWASP Top 10 vulnerabilities
  • Hands-on WAF/API security experience (policy design, rule tuning, automation)
  • Hands-on container security experience (runtime hardening, image scanning, vulnerability risk assessments)
  • Hands-on experience conducting web application security scans, vulnerability assessments and/or penetration testing
  • Experience investigating problems and processes using established methodologies and best practices
  • Experience working with Authentication and Authorization services such as OAuth and OpenID
  • Experience operating on-prem or cloud-based security platforms
  • Ability to troubleshoot security and network-related issues and communicate technical findings effectively
  • Ability to listen and integrate ideas from diverse groups, build respectful relationships, collaborate, and resolve conflicts constructively
  • Bachelor’s Degree in Information Security or Computer Science or Computer/Electrical Engineering, and/or equivalent field experience
  • Proof of eligibility to work in the United States
Position Focus
  • Embed application security into the SDLC and CI/CD pipelines
  • Strengthen web/API protections and enable proactive detection
  • Contribute broadly to Security Engineering capabilities, including identity, cloud/on-prem security platforms, logging/telemetry, and automation
  • Partner closely with development, Dev Ops, and operations teams to support secure-by-default applications and services
Core Values
  • Integrity through accountability, consistency, transparency and trust
  • Agility through adaptability, continuous improvement, expertise, and flexibility
  • Partnership through collaboration, communication, leadership, and teamwork
  • Inclusivity through diversity, relationships, respect, and support
Location
  • Reston, VA (onsite)
Compensation
  • USD 140, per year
Relevant Technologies
  • OWASP Top 10
  • Web application firewall (WAF)
  • OAuth
  • OpenID
Position Requirements
10+ Years work experience
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