Linux Systems Engineer

Company:

MMC Corporate

Description:

We are seeking a talented individual to join our IT Systems Engineering team at Marsh McLennan as a Linux System Engineer. This role can be located in the Louisville Kentucky area or out of one of the other offices in the US.. This is a hybrid role that has a requirement of working at least three days a week in the office.

You will participate in application operations management in Linux systems, running UNIX commands to administrate PROD and non-PROD application environments. You will provide Tier III administrative support per Operations and project needs; investigate and troubleshoot Production issues and you will plan & perform major version upgrades of Application Server such as Tomcat, Apache Web Server, etc.

We will count on you to:

• Create and maintain technical documents such as knowledge base articles, infrastructure diagrams, and FAQs.

• Perform routine housekeeping and health monitoring. Write Linux/UNIX Shell Scripts as and when needed for monitoring, recycling, automating tasks, etc.

• Support and resolve issues like application recycles, disk space issues, process hung, port conflict, logs archiving, SSL certificate, expiry, etc. on Linux platform.

• Work on putting together and submitting infrastructure related requests, such as DNS registration, SSL certs etc.

• Candidate must be flexible in terms of working hours due to the nature of the role providing 24X5 weekdays support and weekend On-Call support on a rotational basis.

• Willingness to work on weekends to support application releases and maintenance is required.

What you need to have: 

• Candidate should have hands-on experience in administering application servers in a corporate environment.

• Minimum 3 years in Oracle Linux systems.

• Working experience in public cloud AWS console management.

• Solid understanding of Windows servers.

• Good understanding of 3 tier or high availability application architecture.

• Good understanding of network topology.

• Sound knowledge of F5 Load Balancer, Firewalls, DNS, etc.

• Knowledge of WebLogic and other related J2EE Web/App Servers.

• Task oriented with strong ability to multi-task, and providing status updates.

• Strong verbal and written communication skills, to work effectively with international teams, including Development, Database, OS and Infrastructure support teams.

What makes you stand out:

• Experience of incident management and change management tools like ServiceNow.

• Experience working in AWS hosting enterprise applications, Azure is also a plus.

• Experience working in a global enterprise environment.

• Documentation experience on application architecture of production environment.

• Experience with application and severs monitoring tools e.g. – AlertSite, App Dynamics, etc.

• Understanding of Security vulnerabilities of web-based applications like Click Jacking, Insecure SSL/TLS Protocol, SSL weak ciphers etc. and their remediation techniques.

• Degree in Computer Science or graduation/certifications from a credited Technology Program.

Why join our team:

• We help you be your best through professional development opportunities, interesting work and supportive leaders.

• We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.

• Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.

Marsh McLennan (NYSE: MMC) is the world’s leading professional services firm in the areas of risk, strategy and people. The Company’s 85,000 colleagues advise clients in 130 countries. With annual revenue of over $20 billion, Marsh McLennan helps clients navigate an increasingly dynamic and complex environment through four market-leading businesses. Marsh provides data-driven risk advisory services and insurance solutions to commercial and consumer clients. Guy Carpenter develops advanced risk, reinsurance and capital strategies that help clients grow profitably and pursue emerging opportunities. Mercer delivers advice and technology-driven solutions that help organizations redefine the world of work, reshape retirement and investment outcomes, and unlock health and well being for a changing workforce. Oliver Wyman serv