Senior IT Systems Engineer - Hybrid (Atlanta, GA)

OneDigital Investment Advisors LLC; Atlanta (GA); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health benefits

Learning & development programs

Paid time off

Job summary

OneDigital Investment Advisors LLC is seeking a Senior IT Systems Engineer (Level 3) for a hybrid role in Atlanta, GA. You will serve as the Tier 3 escalation point across endpoints, servers, networking, identity, and cloud collaboration platforms.

The role requires 5–7+ years in IT support or systems administration, with strong Windows, AD, Azure AD/Entra ID, and Microsoft 365 expertise. You will mentor junior engineers and help improve support processes.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field.
• 5–7+ years of hands-on IT support, systems administration, or related technical role.
• Experience with Active Directory and Azure AD/Entra ID in enterprise environments.
• Experience with Microsoft 365 administration and endpoint management (Intune/SCCM).
• PowerShell scripting for automation and troubleshooting.
• Familiarity with ITIL-based ticketing and change management.

Responsibilities

• Serve as Level 3 escalation point for complex hardware, software, network, and identity issues.
• Administer and maintain Windows endpoints, servers, and enterprise apps; monitor health and performance.
• Manage Active Directory, Azure AD/Entra ID, and Microsoft 365 accounts and access.
• Maintain and support endpoint management (Intune/SCCM) and device compliance.
• Develop PowerShell scripts to automate routine tasks; document runbooks and diagrams.
• Mentor Level 1/2 engineers and contribute to process improvements.

Skills

Windows admin

Active Directory

Azure AD

Microsoft 365

PowerShell

Intune

SCCM

Networking basics

ITIL

Troubleshooting

Education

Bachelor’s Degree in IT/CS

Tools

Intune

SCCM

PowerShell

Microsoft 365

Job description

## Senior IT Systems Engineer - Hybrid (Atlanta, GA)Apply: Atlanta, GA: Full time: Posted Today: R9349No other company in our industry is supercharging the way they work and serve their clients like OneDigital. Fresh thinking has always been the core of OneDigital’s vision and growth strategy. It’s how we stand out in our industry, it’s how we stay competitive and resilient in a changing world. Most importantly, our innovative approach is helping more people do their best work and live their best lives. Innovation fuels our employee experience by making it easier to do your best work anytime, anywhere and from any device. And our tech-based products for clients are a game changer in our industry. If you thrive on change and innovation, OneDigital is the career choice for you.**Our Newest Opportunity:****Summary:**The **Senior IT Engineer (Level 3)** is an experienced technical resource providing advanced, escalated support and systems administration across the enterprise IT environment. This role serves as a Tier 3 point of escalation for complex issues spanning endpoints, servers, networking, identity, and cloud collaboration platforms—resolving issues that fall outside the scope of Level 1 and Level 2 support.This position is based in the Atlanta, GA area and follows a hybrid schedule, working in-office 3–4 days per week. The Senior IT Engineer partners closely with the broader IT Support, Infrastructure, and Security teams to maintain a stable, secure, and well-documented technology environment, while mentoring junior engineers and helping to continuously improve support processes.**Essential Duties and Responsibilities:****Technical Support & Troubleshooting*** Serve as the Level 3 (L3) escalation point for complex hardware, software, network, and application issues that L1/L2 support cannot resolve.* Perform advanced root-cause analysis and troubleshooting across Windows endpoints, servers, and enterprise applications.* Manage and resolve escalated tickets within established SLAs, ensuring timely communication with end users and stakeholders.* Administer and support Active Directory, Azure AD/Entra ID, and Microsoft 365 for account, access, and identity issues.* Support endpoint management platforms (Intune/SCCM) for imaging, patching, and configuration compliance.* Troubleshoot network connectivity issues including LAN/WAN, VPN, and Wi-Fi across office and remote locations.* Document recurring issues and root causes, and build knowledge base articles to improve first-contact resolution at L1/L2.* Participate in an on-call rotation for after-hours critical incident support as needed.**Systems Administration & Infrastructure Support*** Administer and maintain servers, virtual environments, and core infrastructure supporting daily business operations.* Support enterprise applications, file/print services, and backup and disaster recovery processes.* Assist with the planning and execution of system upgrades, patch cycles, and infrastructure projects.* Develop and maintain PowerShell scripts to automate routine administrative and remediation tasks.* Maintain accurate technical documentation, including network diagrams, configuration standards, and runbooks.* Monitor system health and performance, proactively identifying and addressing potential issues.**Mentorship & Process Improvement*** Mentor and provide technical guidance to Level 1 and Level 2 support engineers.* Recommend and help implement process improvements to reduce ticket volume and improve overall support quality.* Partner with cross-functional IT teams (Security, Infrastructure, Applications) on projects and escalations.* Contribute to the evaluation and rollout of new tools and technologies that improve the end-user and IT support experience.**Qualifications, Skills and Requirements:*** Considerable, hands-on experience (typically 5+ years) in IT support, systems administration, or a related technical role, with demonstrated ability to independently resolve complex, escalated issues.* Strong working knowledge of Windows OS administration (desktop and server) and enterprise networking fundamentals (TCP/IP, DNS, DHCP, VPN).* Experience administering Active Directory, Azure AD/Entra ID, and Microsoft 365 in an enterprise environment.* Experience with endpoint management tools such as Microsoft Intune and/or SCCM.* Working knowledge of PowerShell scripting for automation and troubleshooting.* Familiarity with ITIL-based ticketing and change management processes.* Relevant certifications preferred (e.g., CompTIA Network+/Security+, Microsoft Certified: Modern Desktop Administrator, ITIL Foundation).* Strong analytical and problem-solving skills with the ability to prioritize and manage multiple escalations simultaneously.* Excellent verbal and written communication skills, with the ability to explain technical issues to non-technical users.* Demonstrated ability to mentor and support the professional development of junior team members.* Ability to work independently and collaboratively within a fast-paced, team-oriented environment.**Education, Training and Experience:*** Bachelor’s Degree (BS) in Information Technology, Computer Science, or a related field required.* 5–7+ years of progressive, hands-on experience in IT support, systems administration, or a related technical role.* Demonstrated hands-on experience with:* Active Directory and Azure AD / Entra ID* Microsoft 365 administration* Endpoint management (Microsoft Intune and/or SCCM)* Windows OS administration (Workstation & Server)* Enterprise networking fundamentals (IP, DNS, VPN, WAN/LAN)* PowerShell scripting and automationYour base pay is dependent upon your skills, education, qualifications, professional experience, and location. In addition to base pay, some roles are eligible for variable compensation, commission, and/or annual bonus based on your individual performance and/or the company’s performance. We also offer eligible employees health, wellbeing, retirement, and other financial benefits, paid time off, overtime pay for non-exempt employees, and robust learning and development programs. You will receive reimbursement of job-related expenses per the company policy and may receive employee perks and discounts.