Carollo Engineers Inc

Infrastructure Engineer

Carollo Engineers Inc$90K — $120K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of professional IT support experience in service desk, systems administration, or networking.
  • Strong familiarity with core infrastructure technologies such as servers, storage, and networking.
  • Hands-on proficiency with Windows Server and Active Directory/Entra ID management.
  • Experience with virtualization platforms like VMware or Hyper-V and cloud systems, preferably Azure.
  • Knowledge of backup, replication, and disaster recovery processes and concepts.
  • Proficient in troubleshooting technical issues across multiple domains.
  • Adequate documentation, communication, and stakeholder engagement skills.

Responsibilities

  • Troubleshoot infrastructure issues, providing 3rd line support.
  • Maintain on-prem and cloud Server environments focusing on installation, configuration, and lifecycle management.
  • Manage Active Directory and related services including DNS and DHCP.
  • Support hybrid identity and security solutions like MFA and Conditional Access.
  • Deploy and manage virtualization platforms and troubleshoot issues.
  • Administer SAN/NAS systems and support backup and disaster recovery processes.
  • Participate in infrastructure upgrades and other technical projects.

Benefits

  • Opportunity to work in a global environment with distributed teams.
  • Gaining exposure to cutting-edge cloud technologies and infrastructure solutions.
  • Hands-on experience with both on-premise and cloud systems.
  • Participation in technical projects for infrastructure upgrades and modernization.
  • Access to professional development through certifications and training.
Full Job Description
JOB SUMMARY:

The Infrastructure Engineer is a technical specialist role responsible for maintaining, supporting, and improving the global infrastructure platform across on-premises and cloud environments. This role provides deep technical expertise across servers, storage, networking LAN, WAN and Wifi, virtualisation, backup + DR, and monitoring systems.

The role ensures the stability, resilience, performance, and security across infrastructure services that underpins business operations. Engineers deliver hands-on technical work, support incidents, participate in project delivery, implement change, and contribute to global standardisation and modernisation initiatives.

Operating under the guidance of the Regional Infrastructure Manager, this position is crucial in ensuring infrastructure availability across regional offices, datacentres, remote sites, and cloud workload.

MAIN DUTIES AND RESPONSIBILITIES:

Duties and responsibilities would include:

Core Infrastructure Engineering

  • Troubleshoot infrastructure related issues by providing 3rd line support to supporting functions.


  • Maintain both on-prem and cloud Server environments (Windows 2016/2019/2022), including installation, configuration, Patch management and lifecycle management.


  • Manage Active Directory, Entra ID, DNS, DHCP, Group Policy, OU structure, replication.


  • Support hybrid identity (AAD Connect, Cloud Sync), MFA, Conditional Access, and identity governance baselines.


  • Deploy, maintain, and troubleshoot virtualisation platforms (VMware vSphere/ESXi or Hyper-V).


  • Perform server builds, OS hardening, patching, software deployment, and configuration baseline enforcement.


  • Support Back up and DR functions.


Azure & Cloud Infrastructure

  • Support Azure VMs, storage accounts, VNets, NSGs, load balancers, recovery vaults.


  • Maintain Azure backup & site recovery (ASR) configurations and replication health.


  • Assist with AVD, image management, FSLogix profiles, and session host maintenance.


  • Monitor cloud resource performance, cost, and security posture.


Storage, Backup & DR

  • Administer SAN/NAS platforms (NetApp, Dell EMC, HPE, Synology, or equivalent).


  • Manage storage provisioning, LUNs, shares, quotas, snapshots, and performance tuning.


  • Operate backup systems (Veeam, Rubrik, Commvault, Azure Backup):


  • Contribute to disaster recovery testing, documentation, and RPO/RTO validation.


Networking & Connectivity (Infrastructure-Focused)

  • Support network operations where required by region:


  • VLAN management.


  • Switch configuration (Cisco, HP, Meraki, UniFi).


  • Firewall rule updates and packet tracing (Fortinet/Palo Alto/Cisco ASA).


  • SD-WAN/VPN monitoring and troubleshooting.


  • Perform connectivity diagnostics for servers, cloud, and datacentre infrastructure.


  • Wifi Management, Monitoring and Deployment.


Monitoring

  • Use monitoring platforms (SolarWinds, PRTG, LogicMonitor, Azure Monitor) to detect performance issues and faults.


  • Support scripting/automation (PowerShell preferred) for routine tasks such as:


  • User and AD object management.


  • Server compliance checks.


  • Bulk configuration changes.


  • Backup validation scripts.


Incident and Change Management

  • Provide 3rd-line technical support for the company.


  • Perform root-cause analysis for recurring issues and contribute to problem remediation plans.


  • Execute changes using approved procedures, including risk assessment, rollback planning, and stakeholder communication.


Project Work & Technical Delivery

  • Participate in infrastructure upgrades, migrations, server refreshes, cloud onboarding, and network modernisation projects.


  • Assist with datacentre rack/stack, cabling, hypervisor upgrades, storage refresh, and backup platform improvements.


  • Support global standardisation of builds, tools, and infrastructure frameworks.


Documentation & Configuration Management

  • Create and maintain:


  • Build documents


  • Infrastructure diagrams


  • Asset and configuration records


  • Ensure documentation reflects current operating environments and engineering standards.


  • Create KB for service line functions.


SKILLS/KNOWLEDGE/EXPERIENCE:

Essential

  • Professional experience in IT support, minimum 3+ years under Service Desk, systems administration, networking, or cloud operations.


  • Strong experience supporting core infrastructure technologies (servers, storage, networking, VMs).


  • Solid hands-on experience with Windows Server, Active Directory/Entra ID, Group Policy, and enterprise management platforms.


  • Practical knowledge of virtualisation (VMware/Hyper-V) and cloud systems (Azure preferred).


  • Experience with patching, monitoring, and configuration-management tools.


  • Understanding of backup, replication, and disaster-recovery concepts.


  • Ability to troubleshoot complex technical issues across multiple domains.


  • Strong documentation, communication, and stakeholder-engagement skills.


Desirable

  • Experience working in a global or multi-site environment.


  • Familiarity with AVD, O365, M365, and endpoint-management technologies.


  • Exposure to enterprise networking (routing, switching, firewalling, VPN).


  • Knowledge of cybersecurity practices, vulnerability management, and compliance frameworks.


  • Experience with ITIL processes (incident, change, problem).


EDUCATION: QUALIFICATIONS/PROFESSIONAL MEMBERSHIPS:

  • IT Degree in Computer science or similar.


  • Microsoft (Azure Administrator, Windows Server, Identity & Access)


  • VMware (VCP)


  • Cisco (CCNA)


  • CompTIA (Network+, Security+, Server+)


  • ITIL Foundation


PERSONAL ATTRIBUTES:

  • Highly technical, analytical, and methodical in fault resolution.


  • Able to work independently within global distributed teams.


  • Strong sense of ownership, reliability, and attention to detail.


  • Resilient and calm during incident response and critical infrastructure events.


  • Committed to maintaining high standards of security and operational excellence.


OTHER

  • Participation in on-call support rota may be required.


  • Willingness to travel regionally for site work or datacentre tasks.


  • Flexibility to support global operations across different time zones


About Carollo Engineers Inc

Carollo Engineers is an environmental engineering consulting firm that specializes in the planning, design, and construction of water and wastewater facilities. The company was founded in 1933 and is headquartered in Seattle, Washington. Carollo Engineers has over 40 offices throughout the United States and provides services to clients in the municipal, state, and federal government sectors, as well as private industry. The company's services include water treatment, wastewater treatment, water resources planning, and environmental compliance. Carollo Engineers has received numerous awards for its work, including the American Council of Engineering Companies' Grand Conceptor Award.
Learn more about Carollo Engineers Inc
Size
1,400 employees
Industry
Founded
1933

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