Sr. Systems Administrator (Tier 3) Job Description
Projects / Professional Services
Position Title | Sr. Systems Administrator (Tier 3) |
Department | Projects / Professional Services |
Reports To | Service Delivery Manager or Technical Services Leadership |
Employment Type | Full-Time |
Role Level | Tier 3 |
Salary Range | $90,000-$110,000 |
Position Summary
The Sr. Systems Administrator (Tier 3) serves as a senior technical project resource responsible for designing, implementing, and standardizing client infrastructure environments. This role is focused on new client onboarding, infrastructure design, project execution, technical standards, and scalable implementation practices. The Sr. Systems Administrator works closely with the Project Coordinator, Service Delivery Manager, Technical Lead, Client Leads, and client stakeholders to ensure projects are delivered efficiently, securely, and according to Kloud9 standards.
Key Responsibilities
Infrastructure Design & Implementation
Design and implement infrastructure solutions for new clients and existing client project work.
Ensure new client environments meet Kloud9 technical, security, documentation, and operational standards.
Design Microsoft 365, Entra ID, server, networking, backup, endpoint, security, and cloud solutions.
Review client environments and recommend remediation plans that improve scalability, security, and supportability.
Support infrastructure upgrades, migrations, refresh projects, and modernization initiatives.
New Client Onboarding & Standardization
Lead technical onboarding activities for new clients from an infrastructure and systems perspective.
Create, maintain, and improve onboarding templates, deployment standards, and implementation checklists.
Assist in making onboarding infrastructure more efficient, repeatable, and streamlined.
Identify gaps in newly onboarded environments and help prioritize remediation work.
Ensure onboarding documentation is complete and usable by the Service Delivery team after handoff.
Project Delivery & Coordination
Serve as the primary senior technical resource for assigned professional services projects.
Work closely with the Project Coordinator to support project timelines, communication, scheduling, and deliverables.
Provide technical guidance during project planning, discovery, implementation, and handoff.
Identify project risks, dependencies, scope concerns, and technical blockers early.
Maintain clear project documentation, implementation notes, and internal handoff details.
Existing Client Project Support
Assist Client Leads with larger projects for current clients.
Support Microsoft 365, server, network, backup, security, and compliance-related client initiatives.
Provide escalation support for project-related technical issues.
Collaborate with Service Delivery and Account Management to align project work with client technology roadmaps.
Standards, Templates & Process Improvement
Develop and maintain standardized project templates, infrastructure build standards, and repeatable deployment processes.
Identify automation opportunities that reduce manual effort and improve project consistency.
Recommend process improvements that help Kloud9 scale as an MSP.
Reduce technical debt by promoting standardized, documented, and supportable client environments.
Contribute to internal standards for compliance-focused environments such as CMMC, SOC 2, PCI, HIPAA, and NIST-aligned controls where applicable.
Required Skills
Senior-level understanding of Microsoft 365, Entra ID, Exchange Online, SharePoint, Teams, Intune, and endpoint management.
Strong Windows Server, Active Directory, DNS, DHCP, Group Policy, virtualization, storage, and backup experience.
Networking knowledge including firewalls, VPNs, VLANs, routing, switching, wireless, and ISP coordination.
Experience designing and implementing secure, supportable client infrastructure environments.
Strong technical documentation, project handoff, and standards development skills.
Ability to translate technical requirements into repeatable project templates and implementation checklists.
Working knowledge of cybersecurity best practices, EDR/XDR, MFA, Conditional Access, vulnerability remediation, and secure configuration standards.
Ability to collaborate with project coordination, service delivery, account management, and technical teams.
Preferred Skills
MSP experience in a growing or mature service delivery environment.
Experience with PSA, RMM, documentation platforms, and standardized onboarding workflows.
PowerShell or automation experience.
Experience supporting compliance-driven environments such as CMMC, SOC 2, PCI, HIPAA, or NIST 800-171.
Microsoft, security, cloud, networking, or project-related certifications.
Experience supporting client roadmap planning, project discovery, and technical remediation planning.
Qualifications
5+ years of progressive IT experience preferred.
Experience implementing infrastructure, cloud, security, Microsoft 365, and network-related projects.
Experience working in an MSP, professional services, or multi-client IT environment preferred.
Strong written and verbal communication skills.
Ability to work independently while collaborating with project and service teams.
Strong organizational skills and ability to manage multiple project priorities.
Performance Expectations
Delivers high-quality projects that meet Kloud9 standards and client expectations.
Completes assigned project tasks on time and communicates risks proactively.
Produces complete and accurate project documentation and handoff materials.
Improves onboarding efficiency through standards, templates, and repeatable processes.
Collaborates effectively with the Project Coordinator, Client Leads, Technical Lead, and Service Delivery team.
Demonstrates ownership, professionalism, and accountability for assigned projects and client outcomes.
Benefits
401(k) plan with company match up to 4%
Paid Time Off (PTO)
Medical insurance
Dental insurance
Vision insurance
Short-term disability coverage
Professional development and certification support opportunities
Career advancement opportunities
Performance bonus eligibility, if applicable to the final offer terms
Note: This job description describes the general nature and level of work expected. It is not intended to be an exhaustive list of every responsibility, duty, skill, or qualification associated with the role.
| Location | Columbus, Ohio |
| Salary | $90,000–$110,000 Per Year |
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