WHAT DOES A LEAD SECURITY ENGINEER DO?

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