Selini
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Linux System Administrator
role at
Selini
Location: New York, in office full time
About Selini Selini is a global trading firm focused on systematic trading and venture investing - all within the digital assets space.
Overview We are seeki ng a Linux System Administ rator
with 3–15 years of exp erience
to support and optimize our trading infrastructure. This role will focus on managing and improving
our on-prem and cloud- based systems, ensuring high availability, security, and performance for our trading environment.
Key Responsibilities
Administer and maintain Rocky Linux-based infrastructure for trading and research environments.
Manage on-prem clusters (HTCondor) and AWS-based infrastructure, ensuring reliability and efficiency.
Automate system administration tasks using Bash, Python, or Ansible.
Monitor system performance, troubleshoot issues, and implement optimizations.
Ensure security best practices are followed for system hardening and access control.
Handle network configuration, performance tuning, and troubleshooting.
Work closely with developers and traders to support infrastructure needs.
Manage user accounts, permissions, and system-level access controls.
Required Qualifications
3–15 years
of experience
in Linux system administration
(Rocky Linux preferred).
Strong experie nce with system automation and
scripting (Bash, Python, or Ansible).
Experience
managing on-prem
clusters and AWS-based environments. Deep understanding of networking fundamentals, system security, and performance tuning. Experience with monitoring and logging tools to ensure system health and availability.
Preferred Skills
Familiarity with HTCondor or other high-performance compute clusters.
Experience with low-latency or high-performance trading environments.
is a plus.
Strong troubleshooting and problem-solving skills in production-critical environments. Ability to work independently and collaborate across teams.
Soft Skills & Culture Fit
Strong analytical mindset and abilit y to work in high-pressure, real-time
environments. Team-oriented, wit h a focus on collaboration and proactive pr oblem-solving.
Benefits
Very competitive compensation, with strong upside based on contribution and performance.
Free daily Deliveroo lunch.
High-spec office and technology.
Team socials.
Global company offsets and development opportunities.
Seniority level Mid-Senior level
Employment type Full-time
Job function Information Technology
#J-18808-Ljbffr
Linux System Administrator
role at
Selini
Location: New York, in office full time
About Selini Selini is a global trading firm focused on systematic trading and venture investing - all within the digital assets space.
Overview We are seeki ng a Linux System Administ rator
with 3–15 years of exp erience
to support and optimize our trading infrastructure. This role will focus on managing and improving
our on-prem and cloud- based systems, ensuring high availability, security, and performance for our trading environment.
Key Responsibilities
Administer and maintain Rocky Linux-based infrastructure for trading and research environments.
Manage on-prem clusters (HTCondor) and AWS-based infrastructure, ensuring reliability and efficiency.
Automate system administration tasks using Bash, Python, or Ansible.
Monitor system performance, troubleshoot issues, and implement optimizations.
Ensure security best practices are followed for system hardening and access control.
Handle network configuration, performance tuning, and troubleshooting.
Work closely with developers and traders to support infrastructure needs.
Manage user accounts, permissions, and system-level access controls.
Required Qualifications
3–15 years
of experience
in Linux system administration
(Rocky Linux preferred).
Strong experie nce with system automation and
scripting (Bash, Python, or Ansible).
Experience
managing on-prem
clusters and AWS-based environments. Deep understanding of networking fundamentals, system security, and performance tuning. Experience with monitoring and logging tools to ensure system health and availability.
Preferred Skills
Familiarity with HTCondor or other high-performance compute clusters.
Experience with low-latency or high-performance trading environments.
is a plus.
Strong troubleshooting and problem-solving skills in production-critical environments. Ability to work independently and collaborate across teams.
Soft Skills & Culture Fit
Strong analytical mindset and abilit y to work in high-pressure, real-time
environments. Team-oriented, wit h a focus on collaboration and proactive pr oblem-solving.
Benefits
Very competitive compensation, with strong upside based on contribution and performance.
Free daily Deliveroo lunch.
High-spec office and technology.
Team socials.
Global company offsets and development opportunities.
Seniority level Mid-Senior level
Employment type Full-time
Job function Information Technology
#J-18808-Ljbffr