Infrastructure Engineer

Job Summary:

Job Summary: The Infrastructure Engineer is responsible for the implementation and support of core IT infrastructure, with a focus on supporting the long-term migration of on-premises environments to AWS. This role owns infrastructure across both environments during the transition — servers, networking, and backups — and will take on ownership of AWS operations as the migration progresses.

Required skills: hands-on experience with core AWS infrastructure services (EC2, RDS, S3/EBS, CloudWatch), and experience administering Windows Server, Hyper-V, and Veeam sufficient to support and migrate an existing on-prem environment to AWS.

Nice to have: Microsoft Entra ID, SonicWall firewall management, and Unifi.

JOB SPECIFIC DUTIES & RESPONSIBILITIES

Infrastructure Management

• Deploy, configure, and maintain physical and virtual servers (Hyper-V/EC2).
• Support high availability, performance monitoring, and patching of server infrastructure.
• Administer on-premises Active Directory, including OUs, group policy, and domain services.
• Manage backup and recovery using Veeam for both virtual and physical workloads.
• Provision and manage cloud infrastructure including EC2 instances, RDS databases, and AWS storage solutions (S3, EBS) to support scalability and performance.

Network Management

• Support VPN configurations and troubleshoot connectivity issues (SoftEther VPN; Microsoft Global Secure Access (GSA) experience is a plus).
• Manage network infrastructure including Unifi switches and access points.
• (Nice to have) Administer SonicWall firewalls, including site-to-site VPNs, NAT, and security policies.

Monitoring, Patch, and Incident Management

• Continuously monitor infrastructure health, performance, and alerting using tools such as PRTG and AWS CloudWatch.
• Perform OS and application patching cycles across all managed servers.
• Respond to infrastructure incidents, conduct root cause analysis, and implement corrective actions.
• Document infrastructure changes, configurations, and troubleshooting guides.

Backup & Disaster Recovery

• Ensure regular backup integrity testing and DR readiness using Veeam.
• Support off-site and cloud-based recovery operations.
• Maintain system documentation related to backup and recovery processes.

Collaboration & Cloud Platforms

• Assign and manage basic user access, group memberships, license assignments, and application access in Microsoft Entra ID.
• Support and manage Microsoft SharePoint Online environments for document collaboration.
• Provide integration support for cloud and on-prem services where applicable.

REQUIRED COMPETENCIES AND SKILLS

• Strong troubleshooting and problem-solving skills.
• Customer-focused mindset with effective communication.
• Ability to manage multiple tasks and prioritize effectively.
• Knowledge of cybersecurity best practices and compliance standards.

REQUIRED EXPERIENCE AND QUALIFICATIONS

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 5+ years of experience in IT support, system administration, or infrastructure/cloud operations.
• Hands-on experience with Windows/Linux systems, Active Directory, Office 365, AWS Infrastructure.
• Working knowledge of networking, cloud services, and ITSM tools.
• Experience with scripting (e.g., PowerShell, Bash) is a plus.
• Relevant certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, AWS Certified Solutions Architect (Associate or Professional), AWS Certified Security – Specialty are highly desirable.

General Responsibilities

Flexibility: The post holder may be required to work at any of the Mitra sites in line with service & operational needs. The post holder may be required to undertake such other duties temporarily, or on a continuing basis as may be required commensurate with this role. This may include periods of time working on client premises and / or internationally.

Confidentiality, Data Protection, Freedom of Information and Computer Misuse: All staff mustensure confidentiality and security of information dealt with in the course of performing their duties. They must comply with and keep up to date with Mitra policies and legislation on confidentiality, data protection, freedom of information and computer misuse. Any matter of a confidential nature, particularly information relating to customers or other members of staff, must not, under any circumstances, be divulged or passed on to any unauthorized persons. This duty extends after employment ceases.

Communication: All staff should be able to communicate effectively and in line with Mitra styleof communications.

Health, Safety, Security and Risk Management: All staff are required to adhere to and actconsistently with all relevant health and safety legislation and procedures in order to ensure that their own and the health, safety and security of others is maintained. This will include identifying and reporting all risks to health and safety, security of equipment and property.

Equality and Diversity: Actively promote Mitra's commitment to equality and diversity bytreating all colleagues and customers with dignity and respect.

Mandatory, job related training and personal development: Take a proactive approach to ownpersonal development in order to ensure that skills are aligned to the demands of the role as it evolves and develops to meet the organization's changing needs.

Data Quality: It is the responsibility of all employees to ensure data is of a high-qualitystandard, in order to support Mitra in providing a quality service. Data must be accurate, valid, reliable, timely, relevant and complete.

Standards of Business Conduct: It is the responsibility of all employees to conduct all businessin an open, honest and ethical manner. Mitra is committed to acting with integrity in all its dealings and relationships with customers, partners and other organizations.