Senior Linux Infrastructure Engineer

Software Guidance & Assistance, Inc. (SGA, Inc.); New York (NY); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Software Guidance & Assistance, Inc. (SGA) seeks a Senior Linux Infrastructure Engineer for a hybrid, full-time role in New York City.

You will design, implement, and maintain global Linux infrastructure, driving security and automation across on-prem and cloud environments. The ideal candidate brings 10+ years of experience, strong Linux, Python development skills, and a track record of solving complex production issues.

Qualifications

• 10+ years of comparable systems engineering, infrastructure engineering, or software engineering experience.
• Extensive hands-on experience with Linux-based operating systems in large-scale production environments.
• Demonstrated development experience with Python.
• Strong troubleshooting and diagnostic capabilities at both the host and network level.
• Experience using diagnostic, tracing, and troubleshooting tools to identify complex infrastructure and networking issues.
• Experience with Linux configuration management tools and practices.
• Familiarity with automated builds, software deployment, and CI/CD systems.
• Strong understanding of infrastructure architecture, systems integration, and production operations.
• Excellent communication and collaboration skills, with the ability to work effectively across global engineering teams and business functions.
• Ability to work independently on complex technical problems while contributing effectively within a collaborative engineering organization.

Responsibilities

• Design, maintain, and improve the firm's global infrastructure across datacenters, cloud environments, and offices.
• Advance infrastructure security framework within a fast-paced, large-scale technology environment.
• Design, implement, integrate, and support Linux-based infrastructure systems.
• Troubleshoot complex host and network issues to identify root causes and remediation.
• Support and improve Linux operating systems and configuration management practices.
• Develop automation and infrastructure tooling using Python to enhance reliability and efficiency.
• Contribute to automated build, software deployment, and CI/CD processes.
• Collaborate with engineers to design and implement infrastructure solutions.
• Support DNS, DHCP, and Kerberos services; ensure Windows-Linux interoperability.

Skills

Linux

Python

Troubleshooting

CI/CD

Automation tooling

Education

Bachelor's degree in Computer Science/Engineering

Tools

CI/CD systems

Configuration management

Diagnostics tools

DNS/DHCP/Kerberos

Job description

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Linux Infrastructure Engineer for a FULL TIME assignment with one of our premier Investment clients in New York City, NY. 3-days in office hybrid schedule (onsite Tues, Wed, Thu). This is a direct-hire position with fte salary.

We are seeking a highly experienced Senior Linux Infrastructure Engineer with extensive Linux expertise to join our Platform Engineering team. This is a hands-on technical role within a global, cross-platform engineering organization responsible for the firm's core technology infrastructure.

The Senior Systems Engineer will contribute to the design, implementation, integration, security, and ongoing operation of infrastructure supporting the firm's global offices, datacenters, cloud environments, investment activities, and technology development. The ideal candidate brings deep Linux systems knowledge, strong troubleshooting skills, software development experience in Python, and the ability to work effectively across a geographically distributed technology organization.

Responsibilities

• Design, maintain, and improve the firm's global infrastructure, including operating systems, network services, security frameworks, and core technology platforms across datacenters, cloud environments, and global offices.
• Contribute to the ongoing development and improvement of the firm's infrastructure security framework within a fast-paced, large-scale technology environment.
• Design, implement, integrate, and support infrastructure systems, with a particular focus on Linux-based environments.
• Troubleshoot complex host and network issues using diagnostic and tracing tools to identify root causes and implement effective remediation.
• Support and improve Linux operating systems and associated configuration management practices.
• Develop automation and infrastructure tooling using Python to improve operational efficiency, reliability, and consistency.
• Contribute to automated build, software deployment, and CI/CD processes.
• Work collaboratively with engineers and technology teams across the organization to design and implement infrastructure solutions.
• Support core infrastructure services and platforms, including DNS, DHCP, and Kerberos.
• Help ensure reliable interoperability between Windows and Linux environments.
• Participate in the ongoing evolution of infrastructure architecture, operational practices, and security controls.

Required Qualifications

• 10+ years of comparable systems engineering, infrastructure engineering, or software engineering experience .
• Extensive hands-on experience with Linux-based operating systems in large-scale production environments.
• Demonstrated development experience with Python.
• Strong troubleshooting and diagnostic capabilities at both the host and network level.
• Experience using diagnostic, tracing, and troubleshooting tools to identify complex infrastructure and networking issues.
• Experience with Linux configuration management tools and practices.
• Familiarity with automated builds, software deployment, and CI/CD systems.
• Strong understanding of infrastructure architecture, systems integration, and production operations.
• Excellent communication and collaboration skills, with the ability to work effectively across global engineering teams and business functions.
• Ability to work independently on complex technical problems while contributing effectively within a collaborative engineering organization.

Preferred Qualifications

• Bachelor's degree in Computer Science, Engineering, or another technical discipline.
• Experience with one or more additional programming languages, including Rust, Java, C, Go, or C#.
• Experience maintaining and supporting DNS, DHCP, and Kerberos infrastructure.
• Working knowledge of network protocols and network architecture.
• Working knowledge of information security concepts and infrastructure security practices.
• Experience with databases and large-scale storage systems.
• Experience supporting Windows/Linux interoperability.
• Experience working within large-scale, globally distributed infrastructure environments.
• Familiarity with cloud infrastructure and modern platform engineering practices.

SGA is a technology and resource solutions provider driven to stand out. We are a women-owned business. Our mission: to solve big IT problems with a more personal, boutique approach. Each year, we match consultants like you to more than 1,000 engagements. When we say let's work better together, we mean it. You'll join a diverse team built on these core values: customer service, employee development, and quality and integrity in everything we do. Be yourself, love what you do and find your passion at work. Please find us at https://sgainc.com/ .

SGA is an Equal Opportunity Employer and does not discriminate on the basis of Race, Color, Sex, Sexual Orientation, Gender Identity, Religion, National Origin, Disability, Veteran Status, Age, Marital Status, Pregnancy, Genetic Information, or Other Legally Protected Status. We are committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, and our services, programs, and activities. Please visit our company EEO page .