Linux Systems Engineer

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 our dynamic team at ncs3 as a Senior Unix/Linux Systems Engineer, where you will play a pivotal role in designing, implementing, and maintaining robust Unix/Linux systems. You will leverage your expertise to optimize system performance, enhance security protocols, and ensure high availability of critical services.In this position, you will collaborate with cross-functional teams to deliver innovative solutions while mentoring junior engineers and contributing to the overall success of our projects. If you are passionate about advancing your career in a fast-paced environment and driving technological excellence, we want to hear from you!

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 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.

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.

About Us:Join a dynamic team at xcellink, a prominent multinational technology leader renowned for driving innovation and excellence in the tech industry. As we expand our operations, we invite passionate individuals to contribute to our mission.Your Role:As a Desktop Engineer, you will play a crucial role in providing exceptional support to our users. Your responsibilities will include: Delivering Desktop Support services to end-users. Receiving, prioritizing, documenting, and actively resolving user help requests while escalating incidents when necessary to uphold customer satisfaction and meet SLA expectations. Performing imaging and re-imaging tasks. Conducting asset inventory tasks. Providing technical escalation to third-party vendors or resolver groups as appropriate. Updating incident records meticulously. Creating and updating work instructions and documenting standards and procedures as needed.

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.

Role overview fuku is hiring a Senior Unix Systems Engineer in Singapore to support its infrastructure team. This team manages high-availability payment systems that process real-time financial transactions. The position centers on maintaining secure, stable, and high-performing Unix and Linux platforms across production, disaster recovery, and testing environments. Technical ownership of these environments is a key part of the role. What you will do Administer and maintain Unix and Linux servers to ensure reliability in all environments. Handle system upgrades, apply security hardening and patches, and monitor infrastructure for stability and compliance. Respond to incidents, analyze root causes, and implement preventive solutions that align with service level agreements. Oversee change, release, and deployment activities to reduce disruption to payment systems and related services. Monitor system capacity, tune performance, contribute to infrastructure projects, and maintain thorough documentation and operational procedures. Requirements Bachelor’s degree in IT, Computer Science, or a related field. Minimum 6 years of experience managing Unix, Linux, and middleware environments, ideally in enterprise or financial services. Strong hands-on skills with scripting, automation, system monitoring, backup solutions, and SAN storage technologies. Experience with OS hardening, patching, performance tuning, and supporting high-availability production systems. Excellent analytical, communication, and problem-solving skills, with the ability to work independently. Why join fuku? This role supports infrastructure critical to financial operations. It offers exposure to complex enterprise environments and the opportunity to deepen expertise in resilient systems engineering. How to apply To express interest or ask questions, contact Naveen at naveen.vasudevan@Tangspac.com.

Join our esteemed client, a statutory board under the Government of Singapore, as a Software Engineer specializing in device support. You will play a crucial role in enhancing our software capabilities.Your responsibilities will include:Gathering and analyzing requirements;Designing, developing, and maintaining robust software solutions;Preparing and submitting documentation throughout the software development lifecycle, including Business Rules, Software Requirement Specifications, Software Architecture Documents, Design Specifications, Interface Specifications, Source Codes, Testing Specifications, Operation and Maintenance Manuals, Training Manuals, and other necessary documents;Providing daily application support to the Authority;Collaborating with users on requirements, design, and testing issues.

Our client, a statutory board operating under the Government of Singapore, is seeking a talented Software Engineer specializing in device applications to enhance their team.The responsibilities for this role include:Gathering and analyzing software requirements;Designing, developing, and maintaining software solutions;Preparing and submitting necessary documentation throughout the software development lifecycle, including Business Rules, Software Requirement Specifications, Software Architecture Documents, Design Specifications, Interface Specifications, Source Code, Testing Specifications, Operation and Maintenance Manuals, and Training Manuals, adhering to the standards set by the Authority;Providing day-to-day application support to the Authority;Collaborating with users to address requirements, design, and testing concerns.

Join our dynamic team at xcellink, a leading IT solutions provider, as we expand our operations in Singapore. We are seeking skilled System Engineers who will play a crucial role in overseeing System Administration and Management activities. In this position, you will manage operating systems, system software, and hardware, ensuring a stable and secure system environment.Key Responsibilities:1. System and Hardware Management:- Support and manage a variety of operating systems, including Windows Server, Linux (RHEL, SUSE, Ubuntu), Solaris, IBM AIX, and Oracle Linux.- Oversee system software and hardware components such as Active Directory, DNS, DHCP, ADFS, Azure AD, clustering solutions, SAN/NAS storage, and virtualization platforms.2. Incident and Problem Management:- Respond to system incidents based on severity levels, ensuring service level requirements are met.- Effectively manage high-pressure situations, identify problems, and make swift decisions to resolve issues.- Follow incident management workflows and established procedures.3. Documentation and Reporting:- Maintain and update system documentation, standard operating procedures (SOP), guidelines, and daily checklists.- Provide timely and detailed reports on system performance, capacity planning, and incident analysis.4. Collaboration and Coordination:- Collaborate with third-party vendors, telecommunication operators, ISPs, and other service providers.- Engage in transition planning and support the onboarding of systems and services.5. Compliance and Training:- Ensure adherence to company policies, information security guidelines, and health and safety regulations. Provide ongoing training to enhance skills and knowledge in system administration and management.

Join our passionate team at xcellink as a skilled RHEL Systems Engineer, where you can contribute to exciting projects and enhance your professional journey. You will play a vital role in managing and supporting our Red Hat Enterprise Linux (RHEL) environments. Your expertise in RHEL operations, installation, hardening, upgrade, and patching will be essential in ensuring the robustness and security of our systems. Familiarity with Azure is a valuable asset in this position.Key Responsibilities: RHEL Operations: Provide extensive support for RHEL environments, including troubleshooting, performance optimization, and ensuring continuous availability. Installation & Configuration: Carry out the installation, configuration, and maintenance of RHEL systems, ensuring optimal performance and security measures are in place. Hardening & Security: Develop and implement security hardening strategies for RHEL systems to defend against vulnerabilities and threats. Upgrades & Patching: Execute system upgrades and apply patches to maintain the security and currency of RHEL environments. Collaboration: Collaborate closely with IT teams and stakeholders to ensure smooth integration and operation of RHEL systems. Documentation: Create and maintain comprehensive documentation of system configurations, procedures, and modifications.

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.

Join Akuna Capital:At Akuna Capital, we pride ourselves on being a pioneering trading firm with a strong emphasis on teamwork, state-of-the-art technology, and data-driven automation. As an options market maker, we are dedicated to providing competitive quotes for buying and selling. Our success is rooted in our ability to design and implement our own low-latency technologies, innovative trading strategies, and sophisticated mathematical models. With a flat organizational structure, every voice is heard, and the best ideas come to the forefront.Founded by visionaries including Andrew Killion in Sydney, Akuna opened its first office in 2011 in Chicago, the global hub for derivatives and options trading. Our reach has since expanded to include offices in Sydney, Shanghai, Singapore, and London.Your Role as a Systems Engineer:We are seeking a skilled Systems Engineer to ensure the optimal health of Akuna’s Linux server platform. This role involves the design, deployment, and maintenance of our high-performance platform that underpins our trading operations. You will automate daily software and hardware tasks while developing and maintaining scripts and tools. The ideal candidate is self-driven, proactive, and capable of managing projects with minimal oversight. In this position, you will:Explore new products and techniques to enhance efficiency and performance.Architect and maintain a tiered storage solution.Oversee the management of Akuna’s server infrastructure across both third-party and local data centers.Engage in system analysis, monitoring, performance tuning, and provide additional support as necessary.

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.

Role Overview:Join our team as a Unix System Administrator, where you will oversee system administration and maintenance across various environments, including production, disaster recovery (DR), and testing. Your expertise with Sun Solaris and Linux servers will ensure the reliability and security of our IT infrastructure.Key Responsibilities:- Administer and maintain systems in a diverse environment, ensuring optimal performance and reliability through system upgrades and enhancements.- Implement security hardening measures and apply necessary patches to safeguard system integrity.- Monitor IT infrastructure components for obsolescence, ensuring timely updates and replacements.- Manage system passwords and certificates to uphold security protocols.- Establish and maintain a robust backup and database archiving schedule to support data recoverability and business continuity.- Develop disaster recovery plans, conducting regular tests to ensure standby equipment usability.- Oversee the User Acceptance Testing (UAT) process and maintain the UAT environment.- Provide technical support (level 3) to end-users, efficiently addressing complex issues.- Deliver second-level support, resolving incidents and problems according to established Service Level Agreements (SLAs).- Diagnose incidents, propose solutions, and implement preventive measures to avoid recurrence.

We are seeking a highly skilled and motivated Systems Engineer / Senior Systems Engineer to join our innovative team. In this pivotal role, you will be responsible for designing, implementing, and maintaining complex systems to ensure optimal performance and reliability. You will collaborate with cross-functional teams to deliver cutting-edge solutions that meet our clients' needs.

ncs3 is seeking a Systems Engineer focused on Security Systems to join the team in Singapore. This position centers on designing, implementing, and maintaining security solutions that protect client assets and sensitive information. Role overview As a Systems Engineer, the main responsibility is to ensure the integrity and confidentiality of data through robust security practices. The role involves hands-on work with security systems and requires technical expertise to address evolving security needs. What you will do Design and implement security solutions tailored to client requirements Maintain and support existing security systems to ensure ongoing protection Collaborate with cross-functional teams to develop and refine security protocols Conduct risk assessments to identify and address vulnerabilities Provide ongoing technical support for deployed security systems Requirements Technical background in security systems Strong interest in technology and best practices for security Commitment to excellence in safeguarding information Ability to work effectively with teams across different functions