Sr. Infrastructure Engineer

The Sr. Infrastructure Engineer at Lightmatter is key in developing critical IT infrastructure that supports our innovative projects. You will provide Tier 3 support, design architectures, and build cloud and on-premises IT systems, all while enhancing software systems and creating automation tools to improve efficiency.

To qualify for the Sr. Infrastructure Engineer position at Lightmatter, candidates should have a Bachelor's degree in MIS or Computer Science, alongside at least 7 years of experience in IT Infrastructure or Engineering. Specific cloud technology experience, particularly with AWS and Azure, and proficiency in networking is crucial for success.

Lightmatter provides a competitive benefits package for Sr. Infrastructure Engineers, which includes comprehensive health care plans, retirement savings matching, generous time off, paid family leave, and a flexible hybrid workplace model to promote work-life balance and well-being.

Essential skills for a successful Sr. Infrastructure Engineer at Lightmatter include proficiency in cloud technologies (AWS, Azure), strong core networking capabilities (DHCP, DNS, VLANs), and expertise in security practices, especially with single-sign-on (SSO) and provisioning architectures like OKTA.

Yes, the Sr. Infrastructure Engineer at Lightmatter will be required to provide after-hours support and be on-call as necessary. This ensures that our critical IT infrastructure remains operational and supported at all times.

In answering this question, highlight specific projects you've worked on in cloud environments, emphasizing your hands-on experience with infrastructure setup, application deployment, and any consultancy roles you've played in cloud strategy.

Expect to share detailed examples that illustrate your problem-solving skills. Discuss specific challenges you've faced, the thought processes you engaged in, and the end results of your solutions to demonstrate your technical capabilities.

Answer this by discussing security best practices you've implemented, such as access controls, encryption standards, and regular audits. Mention any specific frameworks or certifications you've follow to ensure security compliance.

Discuss tools or systems you've utilized for monitoring, such as logging frameworks or alert management systems. Be sure to highlight how these implementations improved system performance and operational awareness.

Emphasize your communication skills by explaining how you simplify technical jargon and create user-friendly documentation or training sessions, ensuring that everyone, regardless of technical background, can understand and utilize the systems effectively.

Talk about how documentation supports knowledge transfer, enhances team productivity, and helps in troubleshooting. You could include how you've contributed to documentation in your previous roles and its importance in maintaining infrastructure.

Describe a project where you effectively communicated and worked with teams outside of IT, such as product management or customer service. Highlight the collaboration tools or methods you employed to ensure a successful outcome.

Explain your familiarity with both environments, discussing specific tasks you've completed in each and how you adapt strategies for different infrastructures. Highlight any hybrid solutions you've implemented.

Share your approach to prioritization, perhaps mentioning time management tools or methodologies (like Agile or Kanban) that you use to maintain focus while balancing multiple projects.

Describe your method for identifying areas for improvement, such as using metrics or feedback. Detail an example where you successfully implemented a change that enhanced system performance or user experience.