Systems Security Administrator

4 weeks ago

Bengaluru, India Calix Full time
Role Description:

Calix is looking for a technically strong Systems Administrator with experience in improving systems and infrastructure security to join a high performing Product Operations and Engineering team. This team delivers infrastructure services supporting the development of next generation networking and SaaS products. The ideal candidate has in-depth experience with systems administration, security frameworks, and implementation of technologies focused on securing infrastructures. This candidate will be experienced with virtualization, modern IT Service management, DevOps, Agile Methodology, Product Development lifecycle, and best practices.

The Systems Security Administrator – Product Engineering Infrastructure would need to have at least 3-5 years of experience focused on security and 5-7 years of experience in an IT supporting role. In this role you will work closely with the software development and product teams to deliver and secure the product development and testing systems using our on-premises, cloud based, and virtual infrastructure. You will collaborate with other support teams to deliver the infrastructure services required by development staff. You are a self-starter that can work with minimal direct supervision. You will work as a team to ensure that systems are available, secure, and delivered to customers promptly. You will also work on improving the services the team are delivering, suggesting upgrades, patching strategies, process and procedure enhancements, service level agreements and other IT service management strategies. Successful candidates will have a technical background, understand tools and processes supporting engineering and software development, be detail driven and have excellent problem-solving abilities. You should not only be passionate about delivering secure, robust, reliable, on-time solutions, but should also be obsessed with contributing to the development of high-performance teams through a standards-based approach, dedicated customer service mindset, and the application of ITIL best practices.

Responsibilities:

  • Designing, securing, architecting, and collaborating on delivering a secure computing environment. 

  • Administration of operating systems, primarily Ubuntu Linux.  Others include RedHat/CentOS/SUSE and some Windows. 

  • Monitoring, alerting, and reporting on critical infrastructure and applications. 

  • Patch management and critical vulnerability management. 

  • Administration of core technologies including converged infrastructure, storage systems, server hardware, networking, and virtualization technologies.

  • Managing work queue through request and incident tickets. 

  • Participate with critical incident response activities, including investigation, and resolution. 

  • Documentation of systems, including but not limited to configuration management and support processes. 

  • Identify and resolve a wide range of novel issues. 

  • Collaborate with internal personnel at all levels of the organization. 

  • Document requirements from stakeholders and translate to actionable tasks. 

  • Propose solutions using best practices. 

  • Collaborate with external partners and vendors. 

  • Work with vendors to stay informed on the latest technologies. 

  • Participate in vendor performance reviews (systems health checks, best practice, solutions development).

  • Develop metrics, track, and proactively improve productivity of the team. 

  • Other duties as assigned. 

Required Qualification & Skills:  

  • 3 - 5 years of experience as a security practitioner in IT or related systems administration role. 

  • 7-10 years of experience in an IT Support role. 

  • Experienced in Identity management architecture, tools, and methodologies (MS Active Directory, LDAP, etc). 

  • Experienced with PKI/MS Enterprise Certificate Services. 

  • Excellent oral and written communication skills. 

  • Strong interpersonal skills. 

  • Strong organizational skills. 

  • Ability to evaluate and prioritize tasks in an evolving environment. 

  • Ability to work independently. 

  • Familiarity with business processes, and policies. 

  • Ability to analyze data and recommend solutions that balance risk to business with no need for service interruptions. 

  • Ability to show root cause of an issue. 

  • Availability of off-hours meetings to collaborate with global staff. 

  • Minimum 4-year degree or similar technical training. 

 

Desired Skills:  

  • Certification in Cybersecurity.

  • Certification in LINUX.

  • IP networking, IP6 and IP4, virtual networking (VLANs, Subnets, Routing, DNS, MAC Filtering) 

  • Familiar with virtualized environments using VMWare, public cloud, and other hypervisors. 

  • Familiar with automation technologies and scripting (Ansible, Chef, Puppet, Bash, Perl, Python, etc.) 

  • Familiar with Containers, Docker, Kubernetes.

  • Familiar with IT service management, ITIL methodology.

  • User identity, access, authorization (Active Directory, LDAP, NIS).

  • Software development methods (Agile /Lean Agile, Scrum).

 

Location:  

  • Bangalore, India  

 

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