Senior IT Operations Engineer

Job Summary

The Senior IT Operations Engineer will dedicate approximately 70% of their time to C# programming, updating, and problem-solving legacy systems to enhance functionality, resolve issues, and ensure long-term maintainability. The remaining time will focus on system administration, automation, infrastructure and network management, and Microsoft administration to support operational efficiency and scalability. They will oversee day-to-day IT operations, troubleshoot complex issues, document processes, and collaborate with cross-functional teams to drive productivity, minimize downtime, and align technology with business needs.

• Master at C# programming and legacy system maintenance
• Master at system administration and automation
• Master at infrastructure and network management
• Master at Microsoft administration

• Primary focus on C# development, including designing, coding, updating, and debugging legacy systems to address performance bottlenecks, integrate new features, and resolve production issues while maintaining compatibility with existing architectures.
• Develop, and maintain software solutions using C# and related technologies to support core business applications, custom integrations, and enhancements to legacy environments, incorporating best practices for code quality, version control, and testing.
• Perform code reviews, refactoring, and problem‑solving on legacy codebases, including EDT validations, report generation, automation scripting, testing, upgrades, and integrations to ensure reliability and scalability.
• Administer Microsoft services, including email, Teams, and Office/Staff configurations, ensuring seamless collaboration, security, and compliance across the organization.
• Manage database administration and automation including SQL database setups, queries, maintenance, Power Shell scripting for workflows, and process optimizations to streamline operations.
• Oversee infrastructure and network management including DNS, SPF, DKIM, DMARC configurations, networks, firewalls, Wi‑Fi, security measures, and third‑party tools such as Tailscale, , Atlassian/Bitbucket, Cerberus/FPM, and Mailgun for robust connectivity and troubleshooting.
• Handle SSL certificate renewals and installations, scheduled tasks, Windows Services, and maintenance on the public corporate website to guarantee uptime, performance, and security.
• Administer Zoom systems, including Polycom XO video setups and Zoom Rooms conferencing via the web portal.
• Microsoft Graph data integrations for efficient data flow and API interactions.
• Oversee phone system administration, including configuration, monitoring, and support for telephony infrastructure
• Document systems, processes, and procedures comprehensively, including legacy system architectures, to facilitate knowledge sharing, compliance, and efficient onboarding.
• Collaborate with operational teams to execute strategic IT plans, provide technical guidance, support business development initiatives through reliable technology enablement, and conduct regular audits for compliance, security, and high availability.
• Foster a collaborative environment by communicating technical updates, training team members on C# best practices and admin tools, and addressing IT needs proactively.

• Ability to function well in a high‑paced environment.
• Strong analytical and problem‑solving skills, with expertise in debugging and optimizing legacy systems.
• Proficiency in C# programming, .NET frameworks, and software development lifecycle practices, including version control (e.g., Git) and agile methodologies.
• Strong expertise in system administration, automation scripting (e.g., Power Shell), and infrastructure technologies (e.g., DNS, firewalls, Wi‑Fi, SQL).
• Advanced knowledge of Microsoft administration, including Azure/Office 365, Graph APIs, Teams, and email security protocols.
• Excellent organizational skills and attention to detail.
• Excellent time‑management skills with a proven ability to meet deadlines and manage multiple priorities, balancing development and admin tasks.
• Excellent interpersonal and customer service skills.
• Excellent verbal and written communication skills, with experience in technical documentation and code commenting.
• Familiarity with third‑party tools (e.g., Tailscale, , Atlassian, Mailgun) and legacy system integration.

• Bachelor's degree in Computer Science, Information Technology, or a related field preferred.
• 5+ years of experience in software engineering with a focus on C# development and legacy system maintenance, plus hands‑on expertise in IT operations, Dev Ops, system administration, and infrastructure management.
• Proven track record in multi‑tool environments, including Microsoft ecosystems, scripting for automation, network/security configurations, and resolving complex legacy issues.
• Experience in retail or operations technology integrations is a plus.