Junior Infrastructure Engineer

Adrenaline; Portsmouth (NH); On-site; USD 60,000 - 85,000; Full time

Job summary

Adrenaline seeks a Junior Infrastructure Engineer to design, implement, and maintain cloud and onsite infrastructure. You will work with the Senior Systems and Cloud Engineer to gain hands-on experience while supporting core systems and growing into a senior role.

You will assist with Azure/Google Cloud, Office 365, and identity management, while contributing to DR planning, documentation, and tech-evolution efforts. The role emphasizes collaboration and continuous learning.

Qualifications

• 2–4 years of experience in IT infrastructure or related role.

Responsibilities

• Assist in the deployment, configuration, and maintenance of cloud-based and onsite infrastructure.
• Support the administration of Microsoft Azure and Google Cloud services, including virtual machines, networking, storage, and identity management.
• Manage and maintain Office 365 services including Exchange Online, Teams, and SharePoint.
• Administer identity and access management systems including Entra ID and Active Directory.
• Monitor infrastructure health and respond to alerts; escalate issues to the Senior Systems and Cloud Engineer as appropriate.
• Serve as a technical escalation point for the Junior System Administrator, on complex support issues and system administration tasks.
• Assist with backup processes, disaster recovery procedures, and DR testing.
• Support infrastructure hardware and software lifecycle management.
• Maintain and contribute to technical documentation across all areas of responsibility.
• Participate in the evaluation of emerging technologies and contribute to continuous improvement efforts.

Skills

Azure

Office 365 administration

Active Directory

Networking fundamentals

Windows Server administration

Troubleshooting

Communication skills

Team collaboration

Tools

Microsoft Azure

Google Cloud

Office 365

Entra ID

Active Directory

Job description

Adrenaline leads change by designing and building people-first experiences that move brands and businesses ahead with strategies that drive growth. We work with organizations and financial institutions across the US and Canada who seek transformation, seamlessly connecting industry-leading thinking, services and operational expertise to deliver change at scale so our clients can sharpen their competitive advantage and grow.

The Junior Infrastructure Engineer supports the design, implementation, and maintenance of Adrenaline's cloud and onsite infrastructure. Working closely with the Senior Systems and Cloud Engineer, this role provides hands-on support for core infrastructure systems while developing the technical depth and operational discipline to grow into a senior engineering function. This role also serves as a technical escalation resource for the Junior System Administrator on complex support and system administration tasks.

Accountabilities

• Cloud and onsite Infrastructure Support
• System Administration and Escalation Support
• Monitoring, Alerting, and Incident Response
• Documentation and Process Improvement

Responsibilities

• Assist in the deployment, configuration, and maintenance of cloud-based and onsite infrastructure environments
• Support the administration of Microsoft Azure and Google Cloud services, including virtual machines, networking, storage, and identity management
• Manage and maintain Office 365 services including Exchange Online, Teams, and SharePoint
• Administer, identity and access management systems including Entra ID and Active Directory
• Monitor infrastructure health and respond to alerts; elevate issues to the Senior Systems and Cloud Engineer as appropriate
• Serve as a technical escalation point for the Junior System Administrator, on complex support issues and system administration tasks
• Assist with backup processes, disaster recovery procedures, and DR testing
• Support infrastructure hardware and software lifecycle management
• Maintain and contribute to technical documentation across all areas of responsibility
• Participate in the evaluation of emerging technologies and contribute to continuous improvement efforts

Qualifications

• 2–4 years of experience in an IT infrastructure, systems administration, or related technical role
• Hands on experience with Microsoft Azure or comparable cloud platforms
• Working knowledge of Office 365 administration (Exchange Online, Teams, SharePoint)
• Familiarity with Active Directory and Entra ID administration
• Understanding of enterprise networking fundamentals: DNS, DHCP, VPN, and switching
• Experience with Windows Server administration in a corporate environment
• Strong troubleshooting and analytical skills
• Ability to manage competing priorities and work effectively in a collaborative team environment
• Strong written and verbal communication skills

Preferred

• Experience with automation or scripting (PowerShell, Python, or similar)
• Familiarity with backup and disaster recovery tools and practices
• Knowledge of containerization technologies (Docker, Kubernetes) is a plus
• CompTIA, Microsoft, or other relevant certifications

Adrenaline is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of any kind. All employment decisions at Adrenaline are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, national, social or ethnic origin, sex (including pregnancy), age, physical, mental or sensory disability, sexual orientation, gender identity and/or expression, marital, civil union or domestic partnership status, past or present military service, family medical history or genetic information, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. Adrenaline will not tolerate discrimination or harassment based on any of these characteristics.