Infrastructure Engineer II

PA-Duquesne
10 North Linden Street
Duquesne, PA 15110, USA

The Infrastructure Engineer II is responsible for building, maintaining, and enhancing a modern, cost-effective, flexible, and secure IT environment for ATC worldwide. This role focuses on cloud and network technologies (including Cisco and Meraki), servers, storage, desktops, data centers, IT security, video conferencing, and telephone operations. The Infrastructure Engineer will deliver secure, scalable, and resilient infrastructure solutions across hybrid and cloud environments, optimize performance, ensure high availability and disaster recovery, and collaborate with cross‑functional teams on solution design and deployment.

This individual will also partner with vendors, provide advanced technical support, and contribute to continuous improvement initiatives, system audits, and regulatory compliance.

• Implements hardware, software, network, cloud, storage, and telephony infrastructure.
• Ensures the delivery and ongoing maintenance of secure, scalable, and resilient infrastructure solutions across hybrid and cloud environments.
• Diagnoses and resolves infrastructure issues such as Microsoft Conditional Access, Azure Active Directory, Office 365, and Virtual Machines.
• Documents infrastructure configuration, processes, and asset management.
• Researches, analyzes, and implements new technologies and determines viability and suitability of existing technologies.
• Troubleshoots and resolves issues for a wide variety of computer hardware and software applications/systems.
• Conducts research on network products, services, protocols, and standards to remain abreast of developments in the networking industry.
• Researches potential vendors for new solutions, conducts demonstrations, and partners with management for implementation.
• Supports the configuration of SAML (Security Assertion Markup Language), SSO (Single Sign‑On), and MFA (Multi‑Factor Authentication) for company security.
• Assists with remediation from the annual penetration test.
• Maintains security patches of on‑premise and cloud‑based hardware and software.
• Performs escalated desktop support, i.e., hardware, software, network, printers, cameras, and access control, for all internal users both on‑site and remote, and provides guidance to junior‑level team members as needed.
• Enforces company security procedures and policies by ensuring all workstations meet security guidelines.
• Configures servers to ensure their secure and reliable operation for fulfilling business objectives and processes, and configures and troubleshoots Cisco and Meraki networking and security technologies.
• Monitors and tests network performance, troubleshoots, provides performance statistics and reports as needed, and helps design and oversee all network security solutions.
• Designs and implements Microsoft Azure, virtualized, containerized, and hyper‑converged technology (and related) with a focus on resiliency and scalability of architectures.
• Enhances innovative solutions to solve technology and business challenges/needs.
• Provides support for Enterprise Backup infrastructure as needed.
• Guides the service desk support team and mentors junior engineers to strengthen technical skills and operational efficiency.

• Bachelor’s degree in computer science, information technology, or related field is required
• Minimum of 2-4 years of relevant work experience in IT infrastructure, including hands‑on experience in cloud infrastructure engineering and network security
• 2+ years’ experience configuring and managing Windows servers, Active Directory, DNS, DHCP, and wireless architecture design and implementation
• Experience with Microsoft Azure services, including container orchestration and networking, Microsoft Power Shell scripting, and Office 365 administration
• Proficiency in Cisco and Meraki technologies, with practical knowledge of enterprise network design and deployment
• Relevant certifications preferred, including Azure (e.g., AZ‑104, AZ‑700, AZ‑305) and Cisco (e.g., CCNP Security, CCIE)
• Proven experience implementing and supporting ZTNA frameworks and secure access architectures
• Experience working with…