Senior IT Infrastructure Engineer

Overview

Join the leader in providing smarter solutions for a safer world. Kastle is the premier provider of property technology (PropTech) solutions that protect commercial real estate, multi-family residential, global enterprises, educational institutions and critical government facilities.

The Kastle Senior IT Infrastructure Engineer delivers vital support for 24/7 enterprise infrastructure, systems, networks, and cloud services. This role is responsible for the planning, design, deployment, support, and maintenance of scalable, highly available cloud-based systems and tools across multiple platforms, including Azure and AWS. The engineer plays a key role in optimizing service performance, enhancing IT security, driving innovation, and ensuring cost-efficiency across both cloud environments and on-premises infrastructure. Additionally, the role is critical in maintaining the stability and reliability of mission-critical systems and applications by ensuring all infrastructure devices are regularly updated and patched to remain healthy and secure.

In addition to a great work environment, we provide excellent benefits (Medical/Dental/Vision, 401K, Tuition/Training Assistance, BrightHorizons Lifestyle Assistance, Wellness Program, Paid Time Off & Holidays, etc.) and we are proud to be a Certified Great Place to Work with awards for being a Top Work Place with Top DE&I Practices! For more information, please visit Kastle Careers .

Responsibilities

• Design, deploy and maintain highly available and scalable cloud-based and on-prem systems, ensuring the infrastructure supports company objectives, technology innovation, and ongoing business demands.
• Use cloud-native monitoring tools to track system health and performance. Analyze data for recommendations to implement changes to optimize system capability, performance, and cost.
• Ensure cloud and on-prem systems adhere to IT and security best practices by configuring IAM, Security Groups, VPNs, Azure AD, Intune, Container, Kubernetes, DevOps, and firewall settings. Manage compliance with industry standards and internal policies including SOC 2 and NIS controls.
• Respond to and resolve system issues and outages in a timely manner, following IT and security incident response. Conduct root cause analysis and ensure long-term solutions are put in place.
• Resolves technical problems related to Tier 2 and Tier 3 support.
• Configures, installs, maintains and refreshes all servers periodically
• Acts as a subject matter expertise in IT related solutions, tasks, and projects
• Seeking opportunities to contribute to the business’s success through proactive involvement in the corporate and team initiatives and weekly meetings
• Work closely with cross-functional teams, including DevOps, Developers and Product teams, to align cloud infrastructure with application needs and ensure smooth deployments.
• Create and maintain clear, concise documentation for cloud infrastructure, processes and system configurations. Provide regular status reports for management on systems health, performance and project progress.
• Provides on-call support on a rotational basis for critical issues on IT & Infrastructure Services
• Observe and proactively alert management to recurring problems and patterns of problems
• Identify and recommend opportunities for improvements
• Recognizes and making recommendations for user training to address common support issues
• Manage Azure and AWS Cloud, AD/Domain Controllers, VPN, DNS, DHCP, Entra ID, Servers, Storage, SQL, Containers, Networks, Telecom Systems and Services
• Proactively monitor enterprise systems, report issues, escalate and recommend fixes
• Manage data backup as per retention schedule and restore date when requested
• Support Corporate and remote office network infrastructure

Qualifications

• Bachelor’s Degree or relevant technology experience with a concentration in an IT-related field
• 5+ years of hands-on experience in IT, with at least 3 years of hands-on experience in cloud infrastructure management (Azure and AWS)
• Must have strong people skills and positive customer service attitude
• Experience in Windows and Linux systems administration.
• Strong understanding of networking concepts, including DNS, VPN, AD, DC, Load Balancer, Firewalls, SD-WAN, Switching and Routing.
• Familiarity with containerization and orchestration technologies like Docker and Kubernetes.
• Must be able to multi-task and complete projects as planned
• Relevant scripting skills including PowerShell, JavaScript, and XML
• Ability to work independently and with other team members
• Ability to communicate effectively and professionally with senior leaders
• Significant knowledge of Windows Server O/S and maintenance procedures
• Attention to detail and the ability to multi-task in a fast-paced environment
• Experience with Microsoft Azure & Office 365 Administration
• Ability to troubleshoot complex systems and cloud infrastructure issues.
• Maintains professional and technical knowledge by staying up to date with modern desktop technology trends

Equal Opportunity Statement

At Kastle, we believe that diversity makes us stronger - at work and in the world. Kastle Systems International, LLC is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, marital status, pregnancy or any other basis protected by applicable federal or state laws.

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