Linux Systems Administrator

Belcan needs a Linux Systems Administrator to support and maintain production systems. Key duties include configuration maintenance and troubleshooting of existing infrastructure. You will ensure smooth day-to-day operations resolve technical issues and perform routine system tasks. This role is essential for maintaining system stability and performance. Responsibilities Job Responsibilities Take ownership of assigned tasks and drive them to completion. Manage escalations from L2 operations and security teams. Work within customer requirements and advise customers on best practices. Perform system troubleshooting and issue remediation. Perform support of administration software tools. Monitoring systems responding to and ensuring resolution of operational issues. Participating in design and creation of new products to drive business growth. Ability to troubleshoot issues and follow defined processes toward resolution. Maintaining highly available virtual server environments. Assisting with installations upgrades and patches to ensure proper system operation. Provide support for a variety of core infrastructure systems running Linux. Provide after-hours support during critical or user impacting outages. Develop and implement approved change requests in accordance with Change Management processes. Other duties as assigned.

Do you have experience in Virtualization tools?, A successful candidate will have 3+ years experience with core Linux services such as: DNS-DHCP-NTP Postfix Samba mysql Apache Ansible. Strong understanding and interest in Linux operating systems such as RedHat CentOS and Rocky Linux. Strong understanding and interest in Virtualization platforms such as VMware and AWS EC2. Experience in Configuration Management and Configuration Orchestration with Ansible. Knowledge of networking protocols (TCP-IP DNS DHCP) and network configuration. Understanding of security best practices including user management access control and vulnerability management. Scripting experience with at least one of the following: Bash Perl Python. Use of system monitoring and reporting tools (Zabbix preferred). Outstanding organizational and problem-solving skills. Team-oriented and skilled in working within a collaborative environment. Ensure timely and effective implementation of approved changes adhering to Change Management best practices. Proven work ethic tenacity and focus. Attention to detail and accuracy. Ability to thrive in a fast-paced environment. Driven self-motivated with a desire to succeed. A passion for learning. Certifications Required

About Cognizant Corporate Cognizant Corporate is a global community united by a shared purpose: to make a meaningful impact. We are committed to excellence and driven by outcomes that matter. Collaboration is at the heart of how we work, and our forward-thinking mindset fuels continuous learning, innovation, and growth. At Cognizant, careers transcend titles. We empower our people to think strategically, inspire others, and lead with purpose - always guided by our core values. Join us in shaping future of business. Could you be the one to make a difference?, Work model We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in our office in Blue Ash, OH. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs. The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations. We’re excited to meet people who share our mission and can make an impact in a variety of ways. Don’t hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role. This role requires U.S. citizenship and the ability to obtain or maintain a U.S. DoD Secret security clearance.

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