Senior Unix/Linux Systems Engineer

Join our dynamic team as a Linux & Ansible Automation Engineer (Level 2)! We are seeking a highly motivated and skilled engineer with a minimum of 3 years’ hands-on experience in infrastructure automation, particularly utilizing Ansible and the Ansible Automation Platform (AAP). In this role, you will be instrumental in developing and managing automation solutions that drive operational efficiency and ensure the reliability of our Linux environments.Key Responsibilities:Design, develop, and maintain Ansible playbooks, roles, and collections for the automated setup of systems, deployment of applications, and provisioning of infrastructure.Oversee and support the Ansible Automation Platform (AAP), including the management of job templates, inventories, workflows, and credentials.Collaborate with DevOps, Cloud, and Security teams to implement Infrastructure as Code (IaC) solutions effectively.Automate critical tasks such as patch management, compliance verification, and system hardening on Linux servers.Diagnose and resolve issues related to automation processes and system performance.Produce and maintain detailed documentation of automation workflows and best practices.Mentor junior engineers and work closely with cross-functional teams to foster automation initiatives.Qualifications:Required Skills and Experience:Minimum of 3 years of experience in automation using Ansible.Strong expertise in Linux system administration (e.g., RHEL, CentOS, Ubuntu).Proficient in developing and managing Ansible playbooks, roles, and modules.Hands-on experience with Ansible Automation Platform or AWX.Familiarity with scripting languages such as Bash or Python.Competent in using Git and adhering to best practices in version control.Basic knowledge of CI/CD pipelines and their integration with automation tools.Excellent troubleshooting and problem-solving skills.Preferred Qualifications:Red Hat Certified Specialist in Ansible Automation or similar certification.Experience with public cloud services, including AWS, Azure, or Google Cloud.Familiarity with containerization technologies like Docker or Podman.Understanding of monitoring tools such as Prometheus and Grafana.Experience with IT service management tools like ServiceNow.

About the PositionAs a Linux Systems Engineer at Jane Street, you will play a crucial role in managing the essential infrastructure that supports our technology operations. This dynamic team of Systems Engineers, Administrators, and Programmers is dedicated to enhancing and maintaining the platform that drives Jane Street's production trading systems. With a blend of proprietary and open-source software, you will have the opportunity to explore and innovate at all levels. Your day might involve debugging kernel performance, crafting management tools, or swiftly addressing production challenges.Our ongoing projects emphasize deployment automation, scalable configuration management, and meticulous monitoring. We believe in automating our processes not out of laziness, but to minimize errors and reduce our workload—plus, we find it enjoyable!Collaboration is key in our environment, providing you the chance to work with various departments across the firm, including Trading, Technology, and Operations. By leveraging feedback and our specialized monitoring tools, we focus on quickly resolving production issues, conducting thorough root-cause analyses, and implementing sustainable solutions.

Join our innovative team at ncs3 as a Systems Engineer specializing in Linux and Windows environments. This is an excellent opportunity for tech enthusiasts eager to contribute to exciting projects and enhance their skills in a dynamic setting.

Join our dynamic team at xcellink as a talented System Administrator specializing in IBM AIX. The ideal candidate will deliver Level 2 support for IBM AIX operating systems and ensure the reliability and efficiency of our clients' critical infrastructures.Key Responsibilities: Deliver Level 2 support for IBM AIX operating systems and associated technologies. Diagnose and resolve intricate hardware and software issues within IBM AIX environments. Execute system administration duties including installation, configuration, and maintenance of AIX servers. Demonstrate expertise in virtualization technologies such as SR-IOV, SEA, PowerVM Virtual I/O Server (VIOS), HACMP, and Spectrum Scale (GPFS). Continuously monitor system performance and implement necessary optimizations. Conduct disaster recovery support and testing for IBM AIX systems. Collaborate effectively with cross-functional IT teams to integrate AIX systems within the broader IT framework. Create and maintain comprehensive documentation related to AIX systems and configurations. Engage in an on-call rotation to address critical incidents promptly. Identify and enforce security protocols to safeguard AIX systems against vulnerabilities. Stay informed about the latest advancements in AIX and related technologies.

Join our dynamic team at Accion Labs as a Linux Systems Engineer, where you'll play a crucial role in enhancing our Linux-based systems. This is a unique opportunity to work in a collaborative environment, utilizing your technical skills to solve complex problems and improve system performance.

About the PositionAs a Linux Engineer at Jane Street, you'll play a vital role in managing the essential infrastructure that supports our cutting-edge technology. This position is tailored for dedicated Systems Engineers, Administrators, and Programmers who are committed to enhancing and maintaining the platform that drives our production trading systems. With a blend of proprietary and open-source software, you will have the opportunity to explore and innovate across various levels of technology. On any given day, you may find yourself debugging kernel performance, developing management tools, or swiftly addressing production issues. Tackling complex systems challenges is at the heart of what we do.Our ongoing projects emphasize deployment automation, scalable configuration management, and meticulous monitoring. We strive for automation not out of laziness, but because it significantly reduces errors and eases our workload—plus, we enjoy it!Joining our team means engaging with nearly every aspect of the company. Collaborating directly with colleagues in Trading, Technology, and Operations, you'll help design and maintain systems with a company-wide impact. By utilizing feedback from different teams and our custom monitoring tools, we aim to resolve production challenges promptly, conduct thorough root-cause analyses, and implement long-term solutions in a clean and efficient manner.

Join our innovative team as a Red Hat Linux System Engineer where you will play a critical role in managing and optimizing our systems. You will be responsible for deploying, configuring, and troubleshooting Red Hat Linux environments, ensuring high availability and performance. This position requires a proactive mindset and the ability to work collaboratively in a fast-paced environment.

Execute monthly and ad-hoc patching for various servers as per contract obligations. Conduct ongoing performance tuning, hardware upgrades, and optimize resources as needed. Configure CPU, memory, and disk partitions accordingly. Generate monthly performance reports and collect server health statistics to support capacity planning initiatives. Perform level 1 troubleshooting and maintenance for storage systems, collaborating with level 2 storage teams for deeper troubleshooting and deployment of new storage solutions. Address additional server-related requests as they arise. Facilitate vendor escorts on the customer’s premises when required. Be available for rotating standby to handle night or weekend tasks as necessary.

Join our dynamic team as a System Engineer specializing in RedHat Linux, where you will play a key role in the administration and management of our IT infrastructure. Your expertise will ensure the seamless operation of various operating systems, hardware, and software platforms, enhancing system reliability and ensuring compliance with ITIL V4 standards.System Administration: Oversee and maintain systems across diverse platforms including Windows Server, Linux (RedHat, Suse, Ubuntu), Solaris, IBM AIX, and Oracle Linux.Software & Hardware Management: Manage components such as Active Directory, DNS, DHCP, Azure AD, clustering tools, file servers, SAN/NAS storage, and virtualization platforms.Monitoring & Troubleshooting: Proactively analyze performance issues across development, staging, production, and disaster recovery environments.Transition Management: Facilitate the transfer of responsibilities from existing vendors or internal teams.Compliance & Security: Uphold legal and internal compliance standards through regular patching and security updates.Documentation: Develop and maintain Standard Operating Procedures (SOPs), system configurations, and performance, security, and incident reports.Automation: Introduce tools to automate processes like provisioning, monitoring, and issue resolution to enhance efficiency.User Support: Deliver clear communication and support to users while managing privileged access.Backup: Collaborate with backup teams to ensure effective backup processes, scripts, and restore procedures are in place and tested.Access Control: Administer access rights in compliance with access policies.System Availability: Utilize enterprise monitoring tools to ensure system uptime and hardware maintenance.Disaster Recovery: Engage in the planning, testing, and execution of disaster recovery strategies.Configuration Management: Maintain up-to-date hardware/software configurations.Performance Tuning: Monitor and optimize system performance and configurations.Problem & Change Management: Lead issue resolution, perform impact analysis, and manage change requests for smooth implementation.Audit Compliance: Support audits by providing necessary data and addressing findings.Capacity Planning: Assess usage and forecast future system needs.Security Oversight: Establish and enforce security policies, conduct audits, and assist with investigations.

Join aumovio as an Application Automation Engineer Intern, where you will have the opportunity to dive into the world of software automation and contribute to innovative projects. This internship will allow you to work alongside experienced engineers, enhancing your skills and gaining valuable insights into the automation processes that drive our applications.

We are seeking a dedicated and knowledgeable Cybersecurity Vulnerability Researcher specializing in Linux systems to bolster our cybersecurity team. In this role, you will be responsible for identifying, analyzing, and mitigating vulnerabilities within our Linux infrastructure. Your expertise will play a crucial role in ensuring the security and integrity of our systems against emerging threats.As part of our cybersecurity department, you will collaborate with a team of talented professionals to develop and implement proactive defense strategies. You will have the opportunity to conduct thorough research on cybersecurity vulnerabilities and contribute to the development of innovative solutions.

Join AECOM as an Instrumentation & Automation Engineer and become part of a dynamic team that shapes the future of engineering and construction. In this role, you will be responsible for designing, implementing, and maintaining advanced instrumentation and automation systems, ensuring they meet project specifications and industry standards.

Join NCS3 as an Automation Engineer, where you will play a pivotal role in enhancing automation solutions to drive operational efficiency. You will be responsible for developing, implementing, and maintaining automated processes that contribute to our ambitious goals. Collaborate with cross-functional teams to identify automation opportunities and design innovative solutions.

Join our dynamic cybersecurity team as a Cyber Security Software Engineer, specializing in Linux systems. You will be at the forefront of developing robust security solutions that protect our clients from emerging threats. This role offers a unique opportunity to work on innovative projects, collaborate with industry experts, and enhance your skills in a fast-paced environment.

ABOUT LUMILENSAt Lumilens, we are at the forefront of creating essential photonics infrastructure that will drive the future of AI supercomputing. Our innovations range from chip-to-chip optical interconnects to scalable photonic engines, paving the way for a revolution in computing—faster, cooler, and significantly more efficient.As a well-funded startup supported by Mayfield and led by industry veterans who have successfully developed transformative technologies, this is not just another job. It’s a ground-floor opportunity to fundamentally rethink the optical layer from the silicon level up. You will collaborate with a team of top-tier engineers tackling some of the most challenging problems in optics, systems, and scalability. Each line of code you write and every design decision you make will have a lasting impact on the infrastructure of tomorrow.If you're seeking a mission-driven role with momentum and the opportunity to make a significant impact, join us on this exciting journey. We’re just getting started.POSITION OVERVIEWIn the role of Optical Manufacturing Test Engineer with a focus on software automation, you will engage in test automation and networking protocols. Your primary responsibility will be to validate complex systems at Layer 1 and Layer 2 using advanced tools such as Ixia, while also developing Python-based frameworks. This critical role is essential for validating and ensuring the quality of Lumilens’ photonic components, modules, and systems. You will blend hands-on production testing with software test development and reporting, supporting both new product introduction (NPI) and volume manufacturing.You will collaborate closely with optical design, hardware, and manufacturing teams for design optimization, calibration, characterization, and troubleshooting.DUTIES/RESPONSIBILITIESWork alongside design engineering and manufacturing teams to define and develop software tests for high-volume production of premium optical components.Own the end-to-end manufacturing test process, ensuring all modifications and upgrades to test and manufacturing software adhere to change control and established Quality Management System (QMS) requirements, including monitoring software revision control, bug tracking, tester updates, regression testing, and test logs.Maintain up-to-date documentation and test specifications, utilizing systematic processes for test cases, results, and defect management.Demonstrate proficiency with version control systems such as GitHub or Bitbucket.Conduct functional, regression, and performance testing on Layer 1 and Layer 2 systems, ensuring optimal performance and reliability.

Assurity Trusted Solutions (ATS), a proud subsidiary of the Government Technology Agency (GovTech), is at the forefront of providing a robust suite of cybersecurity products and services. With over a decade of experience, ATS collaborates with GovTech, various government agencies, and commercial partners to enhance security frameworks and mitigate cyber risks in an evolving digital landscape. Our commitment to trust and collaboration drives unparalleled business outcomes.Key Responsibilities:Lead the Security Orchestration, Automation, and Response (SOAR) processes to streamline cybersecurity operations and enhance incident response efficiency.Design and implement automated workflows to minimize manual cybersecurity tasks.Develop and maintain automation scripts and playbooks to facilitate operations, including reporting, monitoring, and incident response.Establish and uphold development standards for playbooks, including naming conventions, parameterization, and logging protocols.Optimize existing sub-playbooks for improved performance, error handling, and flexibility.Refactor legacy playbooks to promote reusability and consistency.Oversee integration of the SOAR platform with third-party applications and systems to align with operational workflows.Conduct thorough testing and validation of playbooks to ensure robustness in automated workflows and integration code.Implement and manage automation technologies within existing security frameworks.Collaborate effectively with cross-functional teams to ensure the successful integration of security automation initiatives.Engage with third-party system administrators or vendors to resolve integration and data flow challenges.Define and execute interface testing scenarios to validate successful integration.Monitor automation performance, identifying and addressing bottlenecks or failure points.Document workflows, decision-making logic, sub-playbook dependencies, and version changes comprehensively.Stay abreast of emerging security threats and technologies to propose innovative automated solutions.Provide training and support to team members on automated security processes and tools.

Join AvePoint: Shaping the Digital Future AvePoint stands as a premier global authority in data management and governance, serving over 21,000 customers globally to elevate their digital workplaces through platforms like Microsoft, Google, Salesforce, and more. With a robust global channel partner program comprising over 3,500 managed service providers, value-added resellers, and systems integrators, our solutions are showcased in over 100 cloud marketplaces. For more details, visit www.avepoint.com. We are committed to fostering our employees' growth. Our culture, driven by agility, passion, and teamwork, empowers you to carve your career path, make a significant impact, and take charge of your future. Discover how you can unlock your potential with us! Role Overview: We are in search of a skilled Test Automation Engineer who will be responsible for designing, developing, and maintaining automated test scripts for web and mobile applications. The ideal candidate will collaborate closely with cross-functional teams to define test requirements, create detailed test plans, and execute automated tests to uphold the highest quality standards of our applications. You will play an integral role in the continuous enhancement of our automated testing processes and tools, engage in code reviews, and provide insights on the testability and quality of our codebase. Strong technical expertise, problem-solving skills, and experience with CI/CD pipelines are essential for this position. Key Responsibilities: Design, develop, and maintain automated test scripts for both web and mobile applications. Work alongside cross-functional teams to identify test requirements and formulate comprehensive test plans. Execute automated tests and analyze results to identify defects and performance bottlenecks. Contribute to the ongoing improvement of automated testing processes and tools. Participate in code reviews to ensure code quality and testability. Enhance our development workflow by ensuring high-quality applications and efficient processes. Qualifications: Bachelor’s Degree in Computer Science, Engineering, or a related field. Demonstrated experience in test automation using tools such as Selenium, Appium, Watermelon, or similar. Proficiency in programming languages including Java, Python, or JavaScript. Strong understanding of software development life cycle and methodologies. Excellent analytical and problem-solving skills. Experience with CI/CD tools and practices.

Key Responsibilities:Create, develop, and maintain automated testing scripts that encompass core functionalities of the product.Design and enhance automation testing frameworks to improve testing efficiency and coverage.Collaborate with development teams to assess requirements, formulate detailed test plans, and guarantee complete and stable product functionality.Perform functional, performance, regression, and stress testing to quickly identify and resolve issues.Create and maintain test cases to ensure comprehensive testing coverage that meets quality benchmarks.Integrate automated tests within CI/CD pipelines for ongoing quality enhancement.Generate regular testing reports that provide thorough assessments of product quality and recommendations for improvements.Stay updated with the latest testing technology trends and introduce innovative tools and techniques to the team.

We are seeking a skilled Level 2 Network Firewall Engineer to play a pivotal role in managing and supporting the firewall and broader network infrastructure within public healthcare environments. This position entails collaboration with Level 1 engineers and other Level 2/3 teams to ensure secure, stable, and efficient network operations across various locations.Key Responsibilities:Deliver Level 2 support for firewall and intrusion prevention systems (IPS), including setup, rule management, monitoring, and troubleshooting.Work in unison with cross-functional teams to manage network and security devices deployed across multiple healthcare campuses.Maintain and optimize firewall configurations and policies in accordance with security standards.Respond to security incidents in partnership with the security operations team, conducting root cause analysis and remediation.Support core network infrastructure, including routers, switches, and wireless controllers.Engage in change management processes and assist in root cause analysis for network or security-related issues.Ensure compliance with SLAs and contribute to regular performance and incident reporting using ITSM/ITOM tools.Take part in capacity planning and system optimization efforts for firewall and network components.Maintain comprehensive documentation for configurations, troubleshooting procedures, and network policies.