Senior Linux Systems Administrator

Description

An asset management firm based in Boston is seeking a highly skilled Senior Linux System Administrator to join their IT Infrastructure team. This role is essential to maintaining the firm's robust Linux system environment, managing containerization processes, and supporting cloud-based initiatives. The ideal candidate is an experienced IT professional with a sharp technical acumen, expertise in modern DevOps technologies, and a preference for working onsite. Candidates with financial services experience is preferred. This role is onsite in Boston 3-4 days a week.

Responsibilities:

• Maintain and administer Linux environments, including system performance tuning, patching, and troubleshooting.
• Manage PostgreSQL databases, ensuring data integrity and accessibility
• Deploy, manage, and optimize containerization technologies, specifically Kubernetes and Docker, to support application development and production.
• Implement and maintain configuration management tools, such as Puppet, to ensure consistent and reliable infrastructure.
• Develop and execute automation scripts using Python, Bash, and Powershell to streamline system operations and administrative tasks.
• Collaborate with developers, architects, and business stakeholders to analyze technical requirements and deliver tailored solutions.
• Manage and support cloud infrastructure, with an emphasis on AWS, ensuring scalability, security, and cost efficiency.
• Monitor system health, troubleshoot complex issues, and implement solutions to guarantee high availability and performance of IT systems.
• Work cross-functionally to provide support for key IT initiatives, including new installations, upgrades, and migrations.
• Maintain detailed documentation for system configurations, operational procedures, and troubleshooting steps.
• Advise on best practices and emerging technologies to drive innovation and process improvements.

Requirements

Requirements:

• 5+ years of experienceas a Linux System Administrator in enterprise environments.
• Strong proficiency in Linux OS (RHEL, CentOS, or equivalent) administration and troubleshooting.
• Advanced experience withcontainerization technologies(Kubernetes and Docker).
• Hands-on experience with database technologies (PostgreSQL)
• Hands-on expertise in configuration management tools likePuppetfor infrastructure as code.
• Proficiency in scripting languages such asPython,Bash, orPowershellfor automation purposes.
• Proven track record in managing cloud environments, specificallyAWS(experience with other cloud platforms is a plus).
• Familiarity with CI/CD pipelines and modern DevOps practices.
• Strong knowledge of system security best practices (e.g., firewalls, permission models, encryption).
• Exceptional problem-solving skills, with the ability to troubleshoot complex technical challenges independently or collaboratively.
• Excellent verbal and written communication skills, with the ability to explain technical concepts to non-technical stakeholders.
• Prior experience working withinfinancial servicesor asset management environments is highly desirable.

Preferred Qualifications:

• Certifications such asAWS Solutions Architect,Linux+,orCKA(Certified Kubernetes Administrator).
• Experience with on-premises and hybrid-cloud environments.
• Knowledge of ITIL processes for incident and change management.

Technology Doesn't Change the World, People Do.

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use.