Senior System Administrator

Remote | Full-time | Fintech Infrastructure | Fast Hiring Process

We’re looking for a Senior System Administrator to join a high-performance infrastructure team supporting global trading platforms. You’ll manage and optimize both physical and virtualized systems in a 24 / 7 low-latency environment. This role blends hands-on server / network work, customer support, and infrastructure planning, ideal for someone with strong technical skills and a proactive mindset.

What You’ll Do

Design, deploy, and maintain virtualized environments (VMware / Hyper-V).

Support dedicated and virtual servers for internal teams and external clients.

Manage Windows and Linux systems , DNS, AD, Group Policy, and patching.

Monitor system health and performance to ensure 24 / 7 availability .

Handle incident response , disaster recovery, and backups.

Contribute to data center upgrades and new deployments.

Provide technical support via portal and chat platforms (Slack, Skype, Live Chat).

Collaborate with sales teams on client onboarding and server design.

Maintain clear technical documentation and ensure ISO 27001 compliance .

Participate in a rotating on-call schedule for production support.

Key Skills & Qualifications

5+ years in system / network administration or helpdesk support.

Proficient in Windows Server 2016 / 2019 / 2022 , AD, DNS, and Group Policy.

Solid experience with Linux servers .

Understanding of networking fundamentals : firewalls, VLANs, ACLs, and switching.

Hands-on with VMware or Hyper-V .

Excellent troubleshooting and customer communication skills.

Proactive, self-driven, and team-oriented.

Nice to Have

Certifications : CompTIA A+, Network+, MCSA .

Scripting with Python, Bash, Ansible, C# .

Experience with Equinix data centers and SmartHands.

Background in client-facing infrastructure design.

Why Join Us

Work on global, latency-sensitive systems powering critical trading platforms.

Gain broad exposure across systems, networking, security, and virtualization.

High-impact role with ownership and flexibility in a collaborative team.

Enjoy a nimble, tech-driven culture where your ideas matter.

Streamlined hiring process :

1. Technical interview with CTO

2. Final interview with leadership