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Senior IT Operations Engineer
Columbus, OHJob 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.
Core Responsibilities:
Core Responsibilities:
- 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, PowerShell 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, monday.com, 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., PowerShell), 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, monday.com, 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, DevOps, 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.