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Job Summary: The Senior IT Security & Infra Engineer will be part of the ESD Divisional IT Infrastructure and Security team, based in Chennai, India. The role will act as a senior technical specialist for network security and infrastructure operations, with a strong focus on firewalls, switches, wireless platforms, vulnerability remediation, incident response and compliance with ASSA ABLOY Group IT standards. The successful candidate will have 10+ years of relevant IT infrastructure and security experience, including strong hands-on knowledge of enterprise network technologies such as Cisco switching and wireless, Palo Alto and Fortinet firewalls. The role requires a self-driven, proactive and fast-learning individual who can work independently, support global teams, and take ownership of operational issues, project deliverables and security improvements. The candidate will closely with IT Transformation Manager and other team members across the division. Key Responsibilities: The role will provide senior-level operational support and technical ownership across network security platforms, enterprise network infrastructure and security improvement activities. Key responsibilities include: Manage, support and troubleshoot enterprise firewalls, switches and wireless infrastructure, including configuration, lifecycle support, patching and compliance with group standards. Support network security operations, including firewall policy management, vulnerability remediation, infrastructure hardening and secure network connectivity. Investigate and support security incidents affecting network infrastructure, working closely with Group IT, SOC teams and local IT teams. Provide 2nd and 3rd line troubleshooting for infrastructure and network security issues, including root-cause analysis and follow-up remediation. Support projects, M&A integrations, audits and security improvement initiatives across divisional and global environments. Provide clear guidance, escalation support and technical direction to local IT teams and business stakeholders. Second/Third line support for (divisional) IT infra solutions Security Incident Management Drive routine follow-up actions for security-related improvements, with a primary focus on network devices and infrastructure security. Support local IT teams in deploying, maintaining and troubleshooting network hardware, including switches, firewalls and wireless infrastructure. Support local IT teams with routine patching, lifecycle maintenance and remediation activities for network hardware. Support local IT teams to ensure network hardware is managed according to group standards. Engage with group IT SOC for any critical incidents that may arise around the networking area. Act as a key contributor in M&A projects, supporting remote deployment and integration of network infrastructure across Enterprise IT, OT and Product IT areas. Projects & Audits Take part in, and actively contribute to, projects related to security, network infrastructure and IT operations, both within the Division and across ASSA ABLOY Group. Support audits and security assessments within the existing organisation and during integration of newly acquired companies. Contribution responsibilities / working areas IT Security Operations support Help drive activities to establish & maintain the IT SecOps function. Focus areas such as vulnerability scanning, and actions related to this. Microsoft infrastructure and security support Familiarity with Microsoft infrastructure and security platforms, including Active Directory, Microsoft 365, endpoint management and collaboration platforms, is desirable. Provide support where required, while maintaining the primary focus on network security and infrastructure operations. Familiar with industry standard tools such as rapid7, Bigfix, CyberInt and also BitSight. Network Infrastructure support (W)LAN setups Cloud integrations Firewalls, switches and wireless infrastructure Responsibilities and authorities Take ownership of assigned tasks and project work, acting in a self-driven and accountable manner. Keep the line manager informed of progress, risks and actions taken to secure the environment and deliver assigned infrastructure responsibilities. Represent ESD for some HQ (ASSA ABLOY Group) needs / projects. Work based on global IT policies. Key competences Strong experience and knowledge of Cisco switching and wireless technologies, as well as Palo Alto and Fortinet firewall platforms. Documented knowledge and experience in IT security, with emphasis on security incident management across an enterprise IT infrastructure landscape. Experience with Microsoft infrastructure and security, ethical hacking, infrastructure hardening and CIS controls is desirable. Experience with platforms outside the Microsoft technology stack is desirable. Relevant certifications such as CISSP, CEH, CCNP Security, PCNSE or Fortinet NSE are desirable, as are certifications
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.