IT Senior Systems Administrator

Corporate Office
420 Sixth Avenue
Greeley, CO 80631, USA

Founded in 1937, Hensel Phelps specializes in building development, construction, and facility services in markets ranging from aviation to government, commercial, transportation, critical facilities, and healthcare. Ranked #1 in aviation and #6 overall general contractor in 2024 by BD+C, Hensel Phelps is one of the largest employee-owned general contractors in the country. Driven to deliver EXCELLENCE in all we do and supported by our core values of Ownership, Integrity, Builder, Diversity, and Community, Hensel Phelps brings our clients' visions to life with a comprehensive approach that begins with innovative planning and extends throughout the life of the property.

The Senior Systems Administrator role is to ensure the efficient operation and security compliance of the company’s data centers, Microsoft Azure systems, client and job centralized servers, databases, and equipment. This role will also lead and direct IT systems engineer specialist teams in building, managing, supporting, and maintaining solutions according to departmental policy.

• College diploma or university degree in the field of computer science and/or 10+ years equivalent work experience.
• Certifications in Microsoft Azure equivalent to MCSE, VMware VCP-DCV (advanced), Cisco CCNP, and ITIL are required.
• Strong system administration (Linux/Unix and Windows) at the command-line level.
• Hands-on experience in System design, IT Architecture, Networking, Infrastructure operations, and operational stability to transform the way the teams operate to ensure delivery of high-quality systems/applications.
• Ensure High Availability (HA) of Enterprise Critical Application platform (Load-Balancers). Microsoft Application Request Routing (ARR)
• Ensure security compliance across the entire enterprise domain through continuous evolution of the auditing and remediation program.
• Experience with architecting new systems, establishing infrastructure standards/processes, and ensuring teams adhere to standards, maintain technical diagrams and documentation, Infrastructure/ Architecture design, Configuration, and implementation, leading and guiding other team members, and responsible for monitoring all production and non-production systems.
• Experience working in Azure cloud infrastructure with hands-on experience using Azure resources and Services. Also experience with Platform Sizing, Infrastructure Cost Reduction
• Hands-On experience (IAC) utilizing Terraform or Ansible.
• Act as a Subject Matter Expert for cloud end-to-end architecture, including Azure and future providers, networking, provisioning, and management.
• Knowledge of infrastructure automation, monitoring, logging, reporting, and the ability to adopt industry best practices and build high-performance infrastructures that are self-healing, scalable & resilient.
• Expert in configuring Dell Server/Storage Hardware
• Experience in setting up and deploying Forward/Reverse Proxies
• Extensive knowledge in VMware vSphere (6.x - 7.x) Hypervisor, including VMware NSX, Storage vSAN, and iSCSI targets.
• Microsoft RDS (Farms, RDSH, RDG, RDWA, NPS (CAP & RAP), RDCB, and UPD)
• Microsoft SQL Database Administration (SQL queries, SQL PROCs, Database health maintenance, performance, backup, restore), SQL Server 2012, 2014, and 2019.
• Scripting in Python or a similar general-purpose scripting environment (VBS, Power Shell, and Batch/CMD scripting)
• Windows Server 2012, 2016, and 2019 Datacenter OS level.
• Manage Exchange Servers 2010, 2016, and 2019 in DAG (Database Availability Group) environment (Client Access, Hub Transport, and Mailbox rules)
• Excellent troubleshooting skills and root cause analysis
• Help plan, maintain, and improve Infrastructure BCDR (Business Continuity and Disaster Recovery)
• Strong interpersonal, written, and oral communication skills.
• Able to conduct research into networking issues and products as required.
• Ability to present ideas in user‑friendly language.
• Highly self‑motivated and directed, with keen attention to detail.
• Proven analytical and problem‑solving abilities.
• Able to effectively prioritize tasks in a…