Senior Unix Engineer (Remote)

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Company Description
Epsilon is the leader in outcome-based marketing. We enable marketing that's built on proof, not promises. Through Epsilon PeopleCloud, the marketing platform for personalizing consumer journeys with performance transparency, Epsilon helps marketers anticipate, activate and prove measurable business outcomes. Powered by CORE ID®, the most accurate and stable identity management platform representing 200+ million people, Epsilon's award-winning data and technology is rooted in privacy by design and underpinned by powerful AI. With more than 50 years of experience in personalization and performance working with the world's top brands, agencies and publishers, Epsilon is a trusted partner leading CRM, digital media, loyalty and email programs. Positioned at the core of Publicis Groupe, Epsilon is a global company with over 8,000 employees in over 40 offices around the world. For more information, visit epsilon.com. Follow us on Twitter at @EpsilonMktg.
Job Description
This role is responsible for maintaining Red Hat and CentOS Linux systems and related components, across our organization, to ensure high levels of availability and the security of the systems.
This person will drive adherence to the planning and implementation of policies and procedures to ensure Linux system maintenance is consistent with organization goals industry best practices and established security requirements.
Additionally, you will be part of a team leverages multiple cloud technologies to evolve our digital platforms. Experience with Cloud technologies infrastructure transformation and automation is required.
The right candidate will need to possess the skills to work in a very fast-paced environment, with multiple, and ever-changing, priorities.
Job Description
  • The senior-level UNIX administrator is responsible for all levels of administration across a large-scale complex of Linux systems.
  • Candidate must be accomplished in all areas of analysis, design, installation, implementation, configuration, tuning, operation, and security of mid-to-large-tier Red Hat systems.
  • Performs high-level analysis of RHEL systems, processes, and characteristics for the purpose of assuring efficient and effective support for clients.
  • Evaluates new system and application requirements regarding impact to the RHEL operating system environment.
  • Performs problem determination, on Red Hat/Solaris-based systems and coordinates/performs resolution.
  • Maintains patches, intrusion detection, and hardening processes in conjunction with policies and guidelines.
  • Work with the Security team on vulnerability detection, protection, and remediation
  • Work with the monitoring team to improve the integrity and health of the operating system structure.
  • Maintains disaster recovery documentation/configurations for Linux systems and performs annual disaster recovery tests for these platforms.
  • Performs performance data collection, analysis, and tuning of the operating system.
  • Ensure operating environments are properly configured and functioning as per requirements/engineering specifications as related to specified network and storage components and applicable tool suites, performing functional validation subsequent to system or component modification.
  • Configure, maintain manage, and troubleshoot Unix based OS and associated components such as file systems, NTP and DNS.
  • Manage clustering at the OS level and network layer, leveraging clustering software and tools.
  • Utilize Unix scripting (Bourne, Korn, PERL, BASH, Python, Ansible or other standard tools) to optimize and automate system administrator tasks.
  • Manage all tickets (incident, problem, change, service requests, etc.) in ServiceNow while adhering to Epsilon policies and SLAs.
  • Attend meetings, participate in conference calls, and respond to email/ticket requests to ensure customer support.
  • Provide business work day and on call support to resolve OE and/or application outages and performance degradations and provide after-hours/weekend support for patching requirements as required.
  • Support audits, PCI and SOX, through all phases to include automation, participation and remediation efforts.

Experience Requirements
  • 8 or more years Unix system experience.
  • Bachelor's degree preferred.
  • Shell scripting
  • Current working knowledge of Red Hat Satellite
  • Current working knowledge of VMware for Red Hat VM guest build, clone, snapshot, and general maintenance.
  • Current working knowledge of KVM and Red Hat virtualization build and configuration.
  • A working knowledge of the Oracle Solaris operating system, LDOMs, ZFS file systems, and Zones desirable.
  • Working knowledge of Unix scripting languages such as Perl, BASH, Python, Ansible
  • AWS, Google Cloud and Azure experience is required
  • Proven experience with complex multi-site and global environments
  • Familiar with the fundamentals of web application and relational database architectures
  • Ability to prioritize and work well under pressure
  • Excellent communication and documentation skills both in technical and non-technical arenas
  • Ability and willingness for on-call and after-hours work

Qualifications
Additional Information
Great People, Deserve Great Benefits
We know that we have some of the brightest and most talented associates in the world, and we believe in rewarding them accordingly. If you work here, expect competitive pay, comprehensive health coverage, and endless opportunities to advance your career.
Epsilon is an Equal Opportunity Employer. Epsilon's policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories.
Epsilon will provide accommodations to applicants needing accommodations to complete the application process.
For San Francisco Bay and Los Angeles Areas: Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance.
Applicants with criminal histories are welcome to apply.
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Technology we use

  • Engineering
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Location

101 N Wacker Drive, Chicago, IL 60606

An Insider's view of Epsilon

What's something quirky about your company?

We have a company band, made up of anywhere from 30 to 40 employees at a given time. The band has a large following and performs at charity events around Chicago. They also perform a full set at Epsilon’s holiday party each year at the House of Blues. My jaw hit the floor when I saw my peers up on stage rocking out.

Paul

Associate Automation & Infrastructure Engineer

How do you collaborate with other teams in the company?

We collaborate through storytelling. It’s not ‘how’ we build it, but rather ‘why’ we build it. We need to tell stakeholders a story about a consumer pain point, solving it in a differentiated manner and the larger vision. Then, collaboration occurs as we incorporate feedback and have a motivated team building towards a shared vision.

Matt

VP, Product Management:

How would you describe the company’s work-life balance?

Conversant has a very good work-life balance, including unlimited PTO. As a young adult, traveling around the world is one my top priorities and working with a company that aligns with that is a huge plus. I have had the flexibility to visit 7 countries. That flexibility is one of many things that has kept me at Conversant for five years.

Alba

Team Lead, Engineering

What are Epsilon Perks + Benefits

Epsilon Benefits Overview

At Epsilon, we offer benefits and perks that enable our associates to thrive and foster a culture of innovation.

Culture
Volunteer in local community
Epsilon participates in local community activities such as the Greater Chicago Food Depository, Off the Street Club, Chicago Cares Serve-A-Thon, Habitat for Humanity and Ronald McDonald House.
Partners with Nonprofits
Friends outside of work
Eat lunch together
Intracompany committees
Epsilon has a Social Committee that organizes social, charitable and sports activities.
Daily sync
Open door policy
Group brainstorming sessions
Open office floor plan
Diversity
Dedicated Diversity/Inclusion Staff
Unconscious bias training
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Pet Insurance
Wellness Programs
Onsite Gym
Team workouts
Epsilon team fitness initiatives include intramural softball, volleyball and soccer.
Retirement & Stock Options Benefits
401(K)
401(K) Matching
Performance Bonus
Match charitable contributions
Child Care & Parental Leave Benefits
Child Care Benefits
Epsilon provides back-up care benefits.
Remote Work Program
Family Medical Leave
Adoption Assistance
Vacation & Time Off Benefits
Unlimited Vacation Policy
Generous PTO
Paid Volunteer Time
Paid Holidays
Paid Sick Days
Perks & Discounts
Beer on Tap
Casual Dress
Commuter Benefits
Company Outings
Epsilon hosts an annual summer boat party on Lake Michigan and a holiday party at the House of Blues, where our employee-run band performs the live entertainment all night.
Game Room
Happy Hours
Happy hours are hosted at team's discretion.
Parking
Recreational Clubs
Fitness Subsidies
Professional Development Benefits
Job Training & Conferences
Epsilon offers employees professional development opportunities like on-site training courses and the ability to attend job-related conferences and seminars.
Tuition Reimbursement
Lunch and learns
Epsilon hosts lunch and learn meetings on occasion.
Promote from within
Mentorship program
Our mentorship program includes 1-to-1 program and career mentoring.
Time allotted for learning
Epsilon encourages employees to complete 48 hours of professional development training per year.
Online course subscriptions available
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