Systems Administrator III

At Flynn Group, we believe in the power of collaboration and value in-person interactions. This is why our employees work from the office four days per week , leaving Fridays to work from home. This setup cultivates casual conversations, problem-solving, and trusted relationships. Our goal is to create an environment where innovation thrives, with office-based teams coming together four days a week to collaborate and thrive, together! Position Description The Systems Administrator III is a senior-level technical role responsible for ensuring the stability, security, and scalability of enterprise infrastructure across on‑premises, cloud, and hybrid environments. This position plays a key role in critical incident resolution, infrastructure modernization, and continuous improvement initiatives. In addition to deep technical expertise, the System Administrator III serves as a mentor and technical leader, supporting the growth and development of junior administrators and contributing to the adoption of modern cloud technologies and best practices. Essential Responsibilities and Duties Provide technical leadership and serve as escalation point for critical incidents, including resolution and post-incident analysis Design, implement, and maintain secure, reliable, and high-performing on-premises, cloud, and hybrid infrastructure Act as a subject matter expert for assigned platforms and lead infrastructure upgrades, lifecycle replacements, and improvement initiatives Monitor system health, respond to alerts, and proactively identify risks and opportunities for optimization, automation, and efficiency Design, support, and enhance modern cloud services including Azure, Microsoft 365, identity, endpoint, and security platforms Apply automation and scripting to improve consistency, scalability, and operational efficiency Collaborate with project managers, security, application teams, and business stakeholders to deliver infrastructure solutions aligned with business needs, security, and budget Develop and maintain technical standards, procedures, and documentation Mentor and coach junior and mid-level system administrators; support onboarding, skill development, and knowledge sharing across the team Participate in an on-call rotation and provide after-hours support as required Education and/or Experience Acceptable equivalent combination of education, experience, and certification; Bachelor of Science degree in computer science, or equivalent 7+ years’ experience in administrating and managing enterprise server systems including cloud and/or virtual solutions Strong knowledge and experience with PC hardware and software technology, including operating systems, expertise with Server operating systems and services including Windows 2008/2012/2016, DNS, Active Directory, and PowerShell, experience with O365, Exchange Online, Azure and Intune and basic understanding of networking protocols and processes Why Work For Flynn? Flynn Group offers a variety of benefits and perks to encourage and empower our employees. We are committed to helping each employee work and live to his or her fullest potential. We offer a variety of benefits and perks while working for us: Retirement and Savings Plan Short- and Long-Term Disability Basic Life Insurance Voluntary Life Insurance Tuition Reimbursement Paid Time Off Flexible/Hybrid Work Schedules (In Office Monday - Thursday, Work from Home Friday) Company Outings Dining Discounts On-Site Fitness Center The Flynn Group is an Equal Opportunity Employer #J-18808-Ljbffr Flynn Group