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Senior Application Security Engineer DevSecOps and CICD

Role overview

Qualifications

  • 5-7 years of hands-on application security/DevSecOps experience
  • Bachelor's degree in Computer Science, Cybersecurity, Information Systems, or a related field
  • Strong working understanding of Secure SDLC, DevSecOps, Agile, and Scrum methodologies
  • Excellent communication, stakeholder management, presentation, and documentation skills

Responsibilities

  • Embeds application security into the SDLC by defining and improving security processes, standards, workflows, and Definition of Done criteria used by delivery teams
  • Performs AI-assisted and traditional security assessments of applications, APIs, cloud workloads, repositories, and supporting infrastructure
  • Drives remediation from discovery through verified closure, and reduces security debt, dependency vulnerabilities, and software supply chain exposure across the application portfolio
  • Champions a security-first culture through coaching, knowledge sharing, and documented best practices, helping application teams hit security objectives and ‘must-win’ business outcomes

Key facts

  • Fixed term
  • Senior (5-10 years)
  • Security Engineer
  • English

Hard skills

Other skills

  • Collaboration
  • Coaching
  • Communication
  • Problem Solving

About the company

3Core Systems, Inc logo

3Core Systems, Inc

IT Services & IT Consulting

Established in 2004, 3Core System is a certified small minority owned business providing ERP Systems Integration, AMS, IT Consulting and Staff Augmentation Services to Fortune 1000, SMB, and State, Local and Education (SLED) customers. While our System Integration services help organizations achieve digital and cloud transformation objectives, AMS Services help increase the availability of critical services of end user applications. On the other hand, our IT Consulting Services would provide subject matter experts to help you assist with specific project needs and the Staff Augmentation services help you balance workload and achieve budget parameters. >ERP System Integration Services: 3Core Systems is an SAP Silver Partner and authorized service provider offering technical architecture, application design and configuration, integration, testing, data migration and solution adoption services for solutions including SAP SuccessFactors, SAP HCM On-Premises and SAP Business Intelligence>Application Management Services (AMS): We offer post go-live, System Health Check and Optimization, Function Enhancements, Integration Monitoring, Release, and patch services. Our AMS services span across SAP Solutions including ERP (S/4 HANA), Financial Management, Human Capital Management, Data and Analytics, Supply Chain, CRM, and Customer Experince. >IT Consulting and Staffing Augmentation Services: Ever since its inception, 3Core Systems has been offering IT Consulting and Staff Augmentation solutions including temporary, long-term, project based and contract staffing services that could be personalized based on your needs. Our staffing services span across emerging technologies and legacy solutions including but not limited to Artificial Intelligence, Machine Learning, Data Science, Cloud, ERP, CRM, BI/BW/ETL, Database, Web & E-Commerce, UI/UX, Network & Security and Mobile.

Company details

Company typeSME
IndustryIT Services & IT Consulting
Company size51 - 200

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Job description

This is a remote position.

Job Title: Senior Application Security Engineer DevSecOps and CICD

Location: Remote, USA

Estimated Duration :12+ Months 

Must Have Skills/Attributes: Agile, API, Artificial Intelligence (AI), Cloud, SDLC, Security, Vulnerability

Experience Desired: Secure SDLC, DevSecOps, Agile, and Scrum methodologies (5-7 yrs); Security tooling (5-7 yrs); OWASP Top 10, API Security Top 10, authentication/authorization controls (5-7 yrs)

Required Minimum Education: Bachelor’s Degree

Preferred Education: Master’s Degree

Job Description

  • ***Remote but must be located in Irving, TX, Chicago, IL, Peoria, IL, or Broomfield, CO***

Education Requirements:

  • Bachelor's degree in Computer Science, Cybersecurity, Information Systems, or a related field

Preferred Education:

  • Master's degree in Computer Science, Cybersecurity, Information Systems, or a related field

Required Skills for the Cybersecurity Engineer:

  • -5-7 years of hands-on application security/DevSecOps experience
  • - Secure SDLC, DevSecOps, Agile, and Scrum methodologies — strong working understanding
  • - Security tooling: Burp Suite, GitHub Advanced Security, CodeQL, SAST, SCA, secret scanning, dependency analysis, and CI/CD security tooling
  • - Ability to read, analyze, test, and modify production application code in Java, Python, to validate security findings and support remediation efforts
  • - OWASP Top 10, API Security Top 10, authentication/authorization controls, secure coding principles, and common attack techniques
  • - Cloud security, identity and access management, and modern application architectures
  • - Safe and effective use of AI-assisted development and security tools
  • - Vulnerability triage and validation — exploitability, business impact, severity, compensating controls, and remediation guidance
  • - Security metrics, coverage reporting, and executive dashboard development
  • - Excellent communication, stakeholder management, presentation, and documentation skills
  • - Ability to work independently across multiple applications, teams, portfolios, and technology stacks
  • - Strong problem-solving mindset — balances security, usability, operational impact, and business objectives
  • - Collaboration and influence — negotiates priorities and removes blockers with architects, developers, DevOps, product owners, and business stakeholders
  • - Coaching and knowledge sharing — champions a security-first culture
  • - Comfortable operating within Scrum/Agile delivery and managing own work items

Cybersecurity Engineer Responsibilities:

  • - Embeds application security into the SDLC by defining and improving security processes, standards, workflows, and Definition of Done criteria used by delivery teams
  • - Performs AI-assisted and traditional security assessments of applications, APIs, cloud workloads, repositories, and supporting infrastructure
  • - Manages repository scanning coverage — source code analysis, secret scanning, dependency analysis, and infrastructure review — and triages findings by exploitability, business impact, and severity
  • - Drives remediation from discovery through verified closure, and reduces security debt, dependency vulnerabilities, and software supply chain exposure across the application portfolio
  • - Builds security metrics, coverage reporting, and executive dashboards that give leadership visibility into remediation status and security posture trends
  • - Champions a security-first culture through coaching, knowledge sharing, and documented best practices, helping application teams hit security objectives and ‘must-win’ business outcomes

Typical task breakdown:

  • Daily: review and triage new security findings from SAST, SCA, secret scanning, and dependency analysis; validate exploitability and prioritize by business impact
  • Daily: manual validation and security testing using Burp Suite, browser developer tools, API testing platforms, and secure code review
  • Daily/Weekly: drive remediation — create and groom backlog items, assign ownership, retest fixes, collect evidence, and verify closure
  • Weekly: participate in Scrum ceremonies (stand-up, backlog refinement, sprint planning, review) and maintain Agile work items, user stories, tasks, and defects
  • Weekly: partner with application teams on code fixes, configuration changes, infrastructure updates, and compensating controls
  • Monthly/Ongoing: security assessments of applications, APIs, and cloud workloads; metrics, coverage reporting, and executive dashboards; process and standards improvement
  • Ongoing: use AI tooling responsibly to accelerate analysis, threat modeling, code review, and documentation within governance controls; track emerging threats and AI-related security risks find value in our e-mail notifications as you continue to consider options for your professional career.


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Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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