Web Developer Security Engineer
$115k - $190kNationwide IT Services
Web Developer Security Engineer Clearance Requirement: Public Trust (Tier 2) Location: Remote/Hybrid (as approved by customer) Position Overview: Nationwide IT Services (NIS) is seeking a Web Developer Security Engineer to support application security initiatives across web applications, APIs, and the software development lifecycle (SDLC). The selected candidate will be responsible for secure application design, vulnerability management, DevSecOps integration, security monitoring, WAF administration, File Integrity Monitoring (FIM), and Tier II security operations support. Required Experience: Minimum 3 years of experience in Application Security and Secure Software Development Lifecycle (SSDLC). Strong knowledge of web application security principles and OWASP Top 10 vulnerabilities. Experience managing the full vulnerability lifecycle, including threat modeling, security assessments, remediation, and validation. Experience with secure application design, architecture reviews, data protection, and secure communications. Hands-on experience with Web Application Firewall (WAF) deployment, configuration, and tuning. Experience with File Integrity Monitoring (FIM), log analysis, Indicators of Compromise (IOC) detection, and threat intelligence automation. Experience supporting Tier II Security Operations. Experience implementing DevSecOps practices and automated security controls within CI/CD pipelines. Technical Skills: .NET Technologies: C#, ASP.NET MVC, WCF Front-End: HTML5, CSS3, JavaScript, React, TypeScript APIs & Databases: REST APIs, SQL Programming/Scripting: Python, Node.js, Java AI-Assisted Development Tools (e.g., GitHub Copilot) Security Tools: SIEM, IDS/IPS, NDR, EDR Cloud & Container Security: AWS, Docker, Kubernetes Compliance & Governance: Experience supporting environments governed by NIST SP 800-53, FISMA, and FedRAMP. Experience participating in audits, security assessments, and authorization activities. Education: Bachelor's degree or higher in Computer Science, Cybersecurity, Information Systems, Engineering, or a related field. Required Certifications: Application Security (One Required): CSSLP, OR GIAC Web Application Penetration Tester (GWEB), OR CASE Offensive Security (One Required): OSWE, OR OSCP Foundational Security (One Required): Security+, OR GSEC Preferred Qualifications: Experience securing federal government applications and systems. Experience integrating security controls into modern CI/CD pipelines. Strong understanding of cloud-native and containerized application security. Key Responsibilities: Perform application security reviews and threat modeling. Conduct vulnerability assessments and oversee remediation efforts. Implement and maintain security controls within CI/CD pipelines. Configure and tune WAF and File Integrity Monitoring solutions. Analyze logs, investigate security events, and support incident response activities. Collaborate with development teams to ensure secure coding practices. Support compliance, audit, and security authorization requirements. Working at NIS means being part of a company grounded in purpose, resilience, and a genuine commitment to people. Since its founding in 2006, NIS has focused not only on delivering exceptional services to our government customers, but also on supporting our nation, taxpayers, and citizens—while consistently prioritizing the well-being and growth of its employees. Today, NIS continues to evolve by embracing remote work, enhancing wellness initiatives, and investing in modern technology, all while staying true to its mission. Salary range $115,000 to $190,000 annually The salary range is a general guideline. We consider several factors when determining base salary offers, including the position's scope and responsibilities, the candidate's experience, education, and skills, and current market conditions. Nationwide IT Services
$145k - $175k
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...’s Threat Hunting team is looking for a Security Engineer, Threat Hunting who is excited by the idea... ...and are encouraged to be creative and develop innovative techniques to illuminate threat... ...qualifications- 2+ years of web protocols, common security attacks, and...InternshipFlexible hoursShift work- ...business development efforts for upcoming opportunities with the U.S. Department of State’s Bureau of Diplomatic Security (DS) - Training - Technical Security Engineering. The Advisor will play a critical role in refining our understanding of the client landscape, validating...Full timeContract workTemporary workWork at office
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...As a Sr. Security Engineer in proactive application security at AWS Security, you will help validate... ...security issues and risks, and developing mitigation plans ~ Non-internship experience... ...architectures, microservices, and web services Experience working with device...InternshipFlexible hours$136k - $184k
...join a team that is replacing traditional security reviews with continuous automated... ...most to customers with guidance from senior engineers. Help author and refine automated detection... ...paths.Basic qualifications- 2+ years of web protocols, common security attacks, and remediation...InternshipFlexible hours$87.1k - $157.45k
...to be a part of, keep reading!Leidos is seeking experienced Security Engineers - Endpoint Security Tool Monitoring to support the Defense Manpower... ...gaps, troubleshoot endpoint-security issues, and develop recommendations that improve data collection, alerting, and...Full timeContract workWork at office$178.4k - $226.7k
...underserved communities worldwide. We are looking for a Systems Security Engineer to join the Leo Infrastructure and IP Security team, where... ...and operational processes as the supplier portfolio expands. Develop AI-assisted tooling to automate evidence collection, finding...Contract workInternshipWorldwideFlexible hoursDay shift$183k - $247.6k
...Innovation team is a Forward Deployed Engineering (FDE) group inside the AWS Security, Search, Observability, and... ...identifying security issues and risks, and developing mitigation plans experience 5+... ..., securing, and operating Amazon Web Services Experience in the full...InternshipLocal areaImmediate startFlexible hours$120k - $260k
...Senior Staff Security EngineerAt GEICO, we offer a rewarding career where your ambitions are met with endless possibilities. Every day... ...Careers.GEICO is seeking a highly experienced Senior Staff Security Engineer to lead the strategy and technical execution of Vulnerability...Hourly payWork experience placementLocal area$166k - $220k
...vision, sensor fusion, and networking technology to the military in months, not years.ABOUT THE JOB We're seeking a Security Software Engineer to develop novel security tooling for securing embedded Linux systems and Android devices. The ideal candidate can develop, test...Full timeWork experience placementImmediate start$146k - $234k
ResponsibilitiesPeraton is seeking an Information Systems Security Engineer - to support its Federal Strategic Cyber programs.Location: Washington, DCIn this role, you will: Lead, mentor, and supervise a team of contractor security professionals responsible for the end-...Contract workFor contractorsShift work$146k - $234k
ResponsibilitiesPeraton is seeking an Information Systems Security Engineer - Vulnerability Remediation Team (VRT) - based to support its Federal Strategic Cyber programs.Location: Washington, DCIn this role, you will: Identify, track and remediate vulnerabilities within...Contract workFor contractorsShift work$180k - $220k
...As a Cyber Systems Engineer/ Information System Security Engineer (ISSE) at Amentum, you will play a vital role in safeguarding national security by... ...SCAs) to ensure thorough and timely security reviews. Develop and Maintain Security Documentation: Prepare and...Hourly payContract workInterim roleLocal area$320k - $405k
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Washington, D.C.Information Security /Full-time /HybridA World-Changing CompanyPalantir builds... ..., our platforms empower our partners to develop lifesaving drugs, forecast supply chain... ...'re looking for an Information Security Engineer who can think broadly about how...Full timeWork experience placementWork at officeRemote workWork from homeRelocation package- ...Johns Hopkins Applied Physics Laboratory (APL) seeks a skilled Full Stack Software Engineer to architect, implement, and test complex software for advanced RF exploitation and communications. You will collaborate with signal processing and hardware teams to deliver robust...
- ...Federal and State Government Agencies. Learn More About ProSidian Consulting at DescriptionProSidian seeks a Mid-Level InfoSec Security Engineer (Focus On Network Security) Consultant focusing on Cyber-Security/Information Security (INFOSEC) and IT Effectiveness Solution...Full timeFor contractorsWork experience placementInternshipWork at officeMonday to FridayShift work
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Lead the security team that protects the HR and Legal applications... ...teamSEALS is a team of security engineers and managers embedded with... ...advancing resources here to help you develop into a better-rounded... ...securing, and operating Amazon Web ServicesAmazon is an equal...Flexible hoursShift work- ...hours working time for current position. Summary Our Cybersecurity Team is searching for an ISSE to provide cyber security and security engineering services for the National Military Command Center (NMCC) customer including system security engineering, cybersecurity...Contract workTemporary workLocal areaShift workDay shift
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...Qualifications: Skills: Information System Security, Plan of Action and Milestones (POA&M),... ...opportunity as a Cybersecurity Systems Engineer/Information Systems Security Engineer (... ...understanding of the architecture being developed or that was developed for each project in...Temporary workFor contractorsInterim roleImmediate startRemote workWorldwideFlexible hours- ...Cape is seeking an experienced Security Engineer specializing in product security to reduce risk across AWS cloud environments, mobile core infrastructure, and mobile apps. You will design, implement, and enforce security controls, mentor staff, and align security with...
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