Senior Infrastructure Engineer

As a Senior Infrastructure Engineer at Tandem, your primary responsibilities will include maintaining and supporting the corporate WAN/LAN, managing on-premise and Azure server farms, overseeing corporate WiFi systems, and administering O365 services. You'll also collaborate closely with the Information Security Team to ensure compliance and security across the infrastructure.

To qualify for the Senior Infrastructure Engineer role at Tandem, applicants must have an IT degree or a minimum of three years of relevant industry experience. Critical skills include expertise in firewalls, VLANs, VPNs, and wireless configurations, as well as proficiency in installing and supporting Windows Server solutions and Microsoft 365 administration.

At Tandem, Senior Infrastructure Engineers will enjoy a hybrid work environment in London, offering flexibility while collaborating with a diverse team of professionals. Our culture values teamwork, innovation, and a customer-centric approach, making it a great place to grow and contribute to impactful solutions.

Tandem seeks a Senior Infrastructure Engineer who demonstrates high personal and professional integrity, excellent communication skills, and a customer-focused mentality. Beyond technical expertise, we value candidates who thrive in a purposeful organization and can operate strategically while being hands-on.

Tandem offers an attractive rewards package for Senior Infrastructure Engineers, which includes a competitive salary, up to 20% performance-related bonus, 25 days of annual leave, a health care cash plan, and unique perks like a salary sacrifice scheme for buying renewable energy solutions. Plus, opportunities to volunteer, and team events make working here fulfilling.

Highlight specific firewall technologies you've worked with, such as Palo Alto or Cisco. Discuss how you’ve implemented security policies and managed network configurations to protect corporate data. Share any metrics or outcomes that demonstrate improved security or reduced incidents.

Explain your project management methods, such as using tools like Jira or Trello. Describe how you assess urgency and impact, allocate resources, and communicate with stakeholders to ensure timely resolution while adhering to service targets.

Share a structured approach you follow for diagnosing issues, like checking connections, reviewing logs, or using monitoring tools. Provide an example of a significant incident you resolved, emphasizing your analytical skills and attention to detail.

Detail your proficiency with Microsoft 365 services, specifically Azure AD and Exchange. Discuss user management, security setups, and optimization practices you’ve applied to enhance performance and user experience.

Describe your familiarity with security frameworks such as NIST or CIS-Benchmarks. Discuss how you implement policies, conduct audits, and collaborate with information security teams to foster a security-conscious environment.

Emphasize the importance you place on thorough documentation for processes, solutions, and troubleshooting steps. Discuss tools you use for documentation and how you promote knowledge sharing through training sessions or written guides.

Share specific resources you follow, such as technology blogs, forums, or networking events. Highlight any certifications or courses you've pursued to enhance your skills and keep pace with the rapidly evolving infrastructure landscape.

Select a project that showcases your leadership skills and technical expertise. Discuss its challenges, your strategic approach to overcoming them, and the outcome, emphasizing the positive impact it had on your organization.

Outline your approach to resolving supplier-related issues, such as direct communication to understand the problem, setting clear expectations, and developing contingency plans to mitigate impact while maintaining strong relationships.

Discuss the importance of communication, mutual respect, and adaptability in fostering an inclusive environment. Provide examples of how you've successfully collaborated with different team members or departments to achieve common goals.