Infrastructure Server Systems Analyst / Engineer

Role Summary This position involves managing and supporting infrastructure server components within a global IoT and smart buildings program for a leading financial institution. The role requires hands-on technical expertise to facilitate the migration and integration of a diverse range of IoT devices onto a dedicated SD Access fabric. It entails close collaboration with internal technical teams and vendors to ensure seamless device onboarding, troubleshooting, and lifecycle management across multiple international locations. Responsibilities Onboard IoT devices onto the SD Access fabric, including registering IP addresses, configuring MAC addresses, DNS records, and NTP, and validating end-to-end connectivity. Troubleshoot device connectivity issues in collaboration with networking, security, proxy, and firewall teams, utilizing packet captures or other diagnostic tools as needed. Configure and support a mixed environment of SaaS applications, physical vendor appliances, and virtual machines hosted within the DMZ. Execute proof-of-concept (PoC), request for proposal (RFP), and request for enhancement (RFE) initiatives related to IoT systems. Manage the device asset lifecycle from deployment, configuration, ongoing maintenance, to decommissioning. Liaise with vendors and internal engineering teams to ensure devices adhere to security policies, including security architecture review (SECR) processes. Maintain clear technical documentation and communicate complex infrastructure topics effectively to non-technical stakeholders. Participate in building migrations and deployments, which may require occasional out-of-hours and weekend work to support global time zones. Qualifications Proven hands-on experience with both Linux and Windows server administration, including troubleshooting and configuration. Strong understanding of networking fundamentals: DNS, DHCP, NTP, IP addressing, wireless MAC registration, 802.1X authentication, and packet capture techniques. Knowledge of security protocols and concepts: firewalls, proxy servers, certificates, SAML, OIDC, and SSO. Experience configuring and troubleshooting IoT or physical devices, with an understanding of their communication with upstream servers and cloud endpoints. Familiarity with APIs and application communication across infrastructure layers. Comfortable working in environments that include SaaS platforms, physical appliances, and virtual machines. Flexibility to work occasional weekends and out-of-hours during active migration periods. Must be legally authorized to work in the United States. Publishing Pay Range: $73.82 - $79.19 hourly Location Requirements: On-Site About GDH: At GDH, we believe in the power of people and the importance of caring. Our culture statement, "We care about people," isn't just a tagline - it's the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs. Who We Are: GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women's services, we pride ourselves on our commitment to quality and service. GDH Benefits GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee's life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referra