Senior Systems Administrator
At a glance
Senior Systems Administration role at Prime System Solutions. Remote, South Africa · full-time.
Pay not stated Systems Administrator salary
remoteroles summary, based on the employer's posting.
What you'll do
- Keep client servers, networks, Azure, Microsoft 365 and security systems running, maintained and optimized
- Take IT projects from planning through delivery, including migrations, deployments, upgrades and cloud changes
- Apply CMMC, NIST and other compliance standards across client systems, then address any gaps you find
- Resolve escalated L3 issues, support junior engineers and document client systems, policies and procedures
- Track system performance and work with internal teams and vendors to handle risks, outages and delivery needs
What you bring
- At least five years as a systems administrator, preferably in an MSP setting
- Hands-on work with security or compliance frameworks such as CMMC, NIST or another listed standard
- A record of delivering IT projects successfully
Who this fits
This senior role suits an experienced systems administrator who can lead client projects, handle complex escalations and guide junior engineers. It is remote in South Africa.
From the employer
We are a fast-growing Managed Service Provider (MSP) delivering IT solutions and security services to a diverse portfolio of clients. Our mission is to provide proactive support, innovative solutions, and best-in-class cybersecurity compliance to help businesses thrive in a secure and scalable IT environment.
We’re seeking a Senior Systems Administrator who can not only manage day-to-day operations but also take the lead on complex projects and guide clients through evolving security frameworks such as CMMC and NIST.
Responsibilities:
- Manage, maintain, and optimize client infrastructure including servers, networks, cloud platforms (Azure, Microsoft 365), and security solutions.
- Lead and execute IT projects end-to-end (migrations, deployments, upgrades, cloud transitions).
- Implement and enforce security frameworks such as CMMC, NIST, and other compliance standards across client environments.
- Troubleshoot escalated technical issues (L3) and mentor junior engineers.
- Develop and maintain documentation for client systems, policies, and procedures.
- Collaborate with internal teams and vendors to deliver solutions on time and within scope.
- Monitor system performance and proactively address vulnerabilities, outages, or compliance gaps.
Requirements
- 5+ years of experience as a Systems Administrator in an MSP environment (preferred).
- Strong technical expertise in:
- Windows Server / Active Directory / Group Policy
- Virtualization (VMware, Hyper-V)
- Cloud services (Microsoft 365, Azure, Intune)
- Firewalls, networking, and endpoint security solutions
- Hands-on experience with compliance/security frameworks (CMMC, NIST, HIPAA, or SOC 2).
- Proven track record of successfully delivering IT projects.
- Excellent problem-solving skills and ability to manage multiple priorities.
- Strong communication skills with both technical and non-technical stakeholders.
- Relevant certifications preferred (CompTIA Security+, Microsoft, CISSP, CISM, or CMMC-related credentials).
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