WHAT DOES A LEAD SECURITY ENGINEER DO?

Reviewed by Lam Nguyen under Editorial Standards

Published: Jan 19, 2026 - The Lead Security Engineer leads the implementation of secure development practices by shaping technical solutions, producing high-quality code, and embedding DevSecOps principles across technology platforms. This role strengthens application security by contributing to threat modeling, architecture reviews, code assessments, and defining security non-functional requirements that guide development teams. The lead also advances organizational security maturity by creating tools, delivering training, and influencing risk decisions that align with long-term architectural objectives.

A Review of Professional Skills and Functions for Lead Security Engineer

1. Lead Security Engineer Duties

  • Regulation Knowledge: Apply knowledge of cyber and information security regulation and legislation (specifically HIPAA, PCI, SOX, as well as industry frameworks such as NIST CSF, ISO 27001/27002 and COBIT)
  • Customer Assurance: Address customer concerns around risk, data privacy, or Salesforce's compliance posture
  • Technical Collaboration: Work with a variety of technical organizations within Salesforce, including Technology Compliance, Technology, Product, and Engineering teams
  • Sales Partnership: Partner with sales teams to remove security as a blocker by speaking to CISOs, CIOs, and other key decision makers
  • Risk Communication: Understand current and emerging cybersecurity risks and innovative risk management methods, and eloquently communicate them to customers
  • Role Scaling: Scale the role through external and internal education and enablement efforts
  • Technical Workshops: Lead hands-on technical workshops and education sessions
  • Vulnerability Resolution: Identify and resolve vulnerabilities at all levels in applications
  • Infrastructure Security: Lead the efforts to maintain infrastructure security
  • Tool Development: Build and maintain security tools and applications
  • Security Guidance: Work with multiple teams to provide security expertise and guidance
  • Incident Response: Respond to security incidents and potential attacks
  • Policy Leadership: Drive security policies, including incident response, risk management, vulnerability management, and data protection
  • Process Improvement: Suggest areas for improvement in internal security processes, along with possible solutions

2. Lead Security Engineer Details

  • Security Assessment: Perform information security assessments
  • Action Planning: Prepare information systems security action plans
  • Product Evaluation: Evaluate information security products
  • Environmental Protection: Perform other activities necessary to ensure a secure environment
  • Policy Implementation: Implement the requirement of all information systems security policies, standards, baselines, guidelines, and procedures
  • Measure Enhancement: Reviewing current system security measures and recommending and implementing enhancements
  • Incident Review: Conduct after-action reviews into any alleged computer or network security compromises, incidents, or problems and provide mitigating controls
  • System Monitoring: Actively monitor systems for indications of security compromise
  • Requirement Building: Build security requirements for security projects

3. Lead Security Engineer Responsibilities

  • Solution Design: Design, select, implement, and configure security solutions to help the business meet objectives while keeping customer data secure
  • Control Automation: Partner with engineering teams to automate and integrate security controls into continuous integration, delivery and deployment processes
  • Team Collaboration: Collaborate with SRE and TechOps teams to keep the environment secured
  • Risk Awareness: Stay up-to-date on vulnerabilities and risks
  • Environmental Protection: Drive responses to protect the environment
  • Incident Response: Respond to incidents as part of the incident response process
  • Data Analysis: Gather, aggregate, and analyze security-related data
  • Process Documentation: Create clear and concise documentation to formalize security processes

4. Lead Security Engineer Accountabilities

  • Leadership Alignment: Engage with security leadership to understand business aims and objectives, and to align security accordingly
  • Secure Coding: Educate development teams on secure coding principles and review code from a security perspective
  • Stakeholder Influence: Influence senior stakeholders in the organisation to raise security awareness
  • Tooling Development: Design, build and implement a range of security tooling from scratch
  • Policy Creation: Create and implement security policies and procedures
  • Roadmap Planning: Plan and manage a security roadmap to ensure Zedge follows best practices and routines to stay secure within an evolving threat landscape
  • Security Coordination: Create and implement security routines and coordinate with operations and engineering teams to ensure solutions are delivered in a secure and timely manner
  • Risk Assessment: Conduct regular hands-on risk assessments of all internal IT systems and solutions
  • Threat Analysis: Identifying and analyzing emerging threats and ensuring required mitigation is planned and implemented to a high standard
  • Regulatory Compliance: Ensure the company complies with expectations from external partners and official regulations

5. Lead Security Engineer Functions

  • Vulnerability Management: Ownership of vulnerability management and patching policies
  • Cloud Practices: Develop, evangelize, and monitor the adoption of sound cloud security practices
  • Team Mentoring: Mentor other members of the Infrastructure Security and Information Security Response Team
  • Root Analysis: Perform root cause analysis (RCA) and incident reviews
  • Security Review: Participate in and support infrastructure security reviews and threat modeling, including validating infrastructure settings
  • Complex Assessment: Drive the most difficult or highly complex infrastructure security reviews and threat modeling
  • Configuration Development: Develop new and review/update existing security-related configurations of infrastructure
  • Data Availability: Identify new and ensure the availability of existing data sources and logs that are being used by various Security teams
  • Preventative Measures: Ownership and management of preventative security measures and services related to platforms, i.e., WAF, various cloud provider Security Command Centers, firewall policies, IAM policies, etc.

6. Lead Security Engineer Overview

  • Project Leadership: Lead security-focused projects to deliver new security technologies and programs globally for ADP
  • Team Collaboration: Work closely with the Project Management Office, Converged Security Architecture and IT Teams to deliver high-quality security solutions and programs
  • Process Automation: Improve the operational efficiency of the GSO program and services through product integrations and automation
  • Process Improvement: Establish and improve the security engineering, deployment, and operational processes
  • Technology Integration: Partner with other GSO teams to identify and implement technologies or mature existing processes to solve complex security problems
  • Team Mentoring: Mentor and teach other members of the engineering and operations team
  • Risk Resolution: Identify and resolve all security risks and incidents, establish automated processes and suggest improvements that improve implementations in a cloud-based infrastructure
  • Tool Development: Design, develop and implement security tools that revolve around vulnerabilities within events, alerts, monitoring, intrusion detection, and file integrity monitoring at the cloud-scale
  • Security Monitoring: Monitor and automate the security in production environments to achieve reliable, consistent, stable, and secure services
  • Customer Support: Work alongside the Sales teams during customer security review processes and fill out infosec questionnaires

7. Lead Security Engineer Details and Accountabilities

  • Strategy Development: Develop, initiate, manage, implement and evaluate an integrated, group-wide Security Technical Strategy
  • Team Supervision: Supervise and manage the security engineering activities in MOL Group countries through the local Technical Leaders
  • Needs Assessment: Assess the development needs related to the Group-wide strategy for technical security systems and make recommendations in preparation for decisions
  • Standard Establishment: Establish and continuously update technical standards for security devices (cameras, alarms and access systems)
  • Resource Analysis: Assess and analyse human resources needs and problems in the technical area of the regions
  • Process Improvement: Initiate and propose improvements to processes to ensure efficient operation
  • Trend Monitoring: Monitor international technical security trends
  • Solution Evaluation: Examine the best applicable solutions and play a prominent role in theoretical and practical developments
  • Development Support: Support and monitor technical development processes
  • Project Evaluation: Monitor project proposals in regional security organisations
  • Security Alignment: Evaluate technical security projects and ensure that they are in line with MOL Group Security Strategy and standards

8. Lead Security Engineer Tasks

  • Agile Collaboration: Work as part of an enthusiastic and motivated agile development team that takes pride in delivering high-quality software into production
  • Code Improvement: Develop and improve code and technology, whilst being a leader in shaping technical solutions through DevSecOps practises
  • Clean Coding: Writing high-quality, clean code to drive security awareness and improvements across all of the Tech platforms
  • Team Development: Working alongside the Application Security team and security leadership to develop and grow people
  • Risk Decisions: Drive security risk decisions and influence technical architecture
  • Security Assessment: Contribute to Application Security Assessments (incl. Threat Modelling, Attack Surface Analysis, Application Security Architecture Reviews and Security Code Reviews)
  • Training Delivery: Aid in the production and delivery of training around Security Best Practices
  • Tool Scripting: Develop tools and scripts to support Security initiatives
  • NFR Definition: Defining and explaining security NFRs for development teams

9. Lead Security Engineer Roles

  • Incident Investigation: Respond to and investigate security events and incidents in coordination with internal teams and customer security teams
  • Team Leadership: Lead security team activities and resources to successful outcomes
  • Security Advisory: Advise product and operations teams on product and infrastructure security as the Security subject matter expert (SME)
  • Assessment Automation: Automate vulnerability assessments and other security-related SecOps tasks
  • Penetration Testing: Manual penetration testing of the application and infrastructure
  • Issue Resolution: Resolve security issues from assessments and other sources
  • Standard Definition: Define and operationalize security standards, policies, and procedures
  • Project Support: Support and deliver upon assigned security projects
  • On-call Participation: Participate in the Security Incident On-call rotation

10. Lead Security Engineer Additional Details

  • Infrastructure Coding: Developing infrastructure code for a build, automation and testing software
  • Endpoint Operation: Build and operate public endpoints for products
  • CDN Management: Content Distribution Network (CDN) caching static content and an origin proxy
  • Proxy Security: Configuring and securing public ingress proxy servers
  • Stakeholder Collaboration: Working with developers and product stakeholders
  • Issue Mitigation: Plan for and mitigate potential issues
  • Risk Identification: Identify and raise risks to be addressed either immediately or in the future improvement roadmap
  • Asset Tracking: Perform cost and asset tracking as required by Infomedia GIT processes
  • Cost Reporting: Perform regular reviews and reporting for AWS costs

Job Role FAQs

What is a job role?

A job role refers to the duties, responsibilities, and expectations associated with a specific position within an organization. It explains what tasks an employee performs, how they contribute to team objectives, and how their work supports the company’s overall goals.

What are the typical responsibilities of a job role?

Typical job role responsibilities include completing daily tasks, collaborating with team members, making decisions, and meeting performance targets. For example, a software developer may write code, fix bugs, review pull requests, and collaborate with product teams.

What is the difference between a job role and a job title?

A job title is the official name of a position, such as Marketing Manager or Software Engineer. A job role describes the actual duties, responsibilities, and expectations associated with that position.

Why are clearly defined job roles important?

Clearly defined job roles help organizations improve productivity, reduce workplace confusion, and ensure accountability. When employees understand their responsibilities and expectations, teams can collaborate more effectively.

How do job roles support career development?

Understanding different job roles helps professionals identify career paths and the skills required for advancement. By learning the expectations of various roles, individuals can build relevant skills and plan long-term career growth.

Editorial Process

Lamwork content is developed through structured review of publicly available job postings and documented hiring trends.

Editorial operations are managed by Thanh Huyen, Managing Editor, with research direction and final oversight by Lam Nguyen, Founder & Editorial Lead. Content is periodically reviewed to reflect observable labor market changes.