System Administrator

RHEL (Red Hat Enterprise Unix: Linux) clustering and automation

Location: BHQ, Owings Mills, MD

Schedule: Expect hybrid schedule(T, W, TH onsite), but must be local

Required Exp;

• At least 6-8 yrs System Admin exp (Oracle, Unix, Linux, clustering, etc) Solaris helpful, but not needed.
• Must have BA or BS in a related IT concentration or other concentration minimum
• If former contractor must be eligible for a 12 month assignment and in client good standing

Preferred - technical:

• Ability to create original script/programs for system administration in at least one of these languages: Bourne shell, Perl, Python, Java
• Experience with Ansible playbooks

Required technical:

• Expert in Unix system administration
• Red Hat Linux (Enterprise, all versions)
• Oracle Linux
• Solaris -helpful , not required
• Storage administration (ZFS, LVM, Veritas)
• Ability to create original script/programs for system administration in at least one of these languages: Bourne shell, Perl, Python, Java
• Experience with Ansible, especially supporting build and patch automation for RHEL and OEL
• Experience with Red Hat PCS clustering

Required behavioral:

• Participate in on call rotation (will be discussed during interview stage)
• Work extended hours or modified schedule for planned or emergency work
• Require little oversight to drive assigned initiatives through to completion
• Experience leading technical discussions among peers, and drive troubleshooting to resolution

Preferred (6-8 yrs exp):

• Experience with OS clustering - one of:
• Veritas Infoscale
• Oracle Clusterware
• Solaris
• Red Hat PCS
• Experience with Oracle Exadata

Description:

• A System Administrator, often abbreviated as sysadmin, is responsible for the maintenance, configuration, and reliable operation of computer systems and servers. Their primary duties include:
  Installing and configuring hardware and software components to ensure system security and efficiency.
  Monitoring system performance and troubleshooting issues.
  Creating user accounts and managing access control.
  Installing and upgrading software and operating systems.
  Performing regular backups and ensuring data integrity.
  Collaborating with network engineers to ensure smooth operation of the organization's IT infrastructure.
  Providing technical support and guidance to users.
  Documenting system configurations and changes.
  Implementing and maintaining security measures to protect systems and data.
  Conducting periodic system audits and ensuring compliance with security policies.

PRIMARY PURPOSE OF POSITION

Provide hands on support for delivery and maintenance of IT solutions. Provide IT teams and business personnel with technology solutions by weighing advantages of technology standards, market availability of products, and risks and benefits of technology to meet business/IT needs. Maintain significant customer engagement, work planning, project management services provided to IT customers.

PRIMARY DUTIES AND ACCOUNTABILITIES

• Manage RedHat 6, 7, 8, 9 servers from both a hardware and operating system standpoint.
• Manage support of VMware vSphere hypervisor to allow hosting of servers in a virtualized highly available environment.
• Configure and maintain server processes, configurations, and backups
• Maintain and monitor Linux and VMware platform health and performance
• Maintain server inventory information to ensure accuracy of configuration management DB.
• Support the production release management system for documenting, planning, and implementing IT changes.
• Plan, coordinate, communicate and implement security patching activities for Linux server platforms.
• Refine and automate regular processes, track issues, and document changes
• Assist in racking and stacking of servers in client's datacenters
• Provide 24x7 support and participate in on call rotation for critical production systems
• Perform scheduled maintenance and support release deployment activities after hours
• Provide technical expertise and/or solution delivery support for maintaining performance and reliability of server solutions.
• Maintain and enhance engagement with business and IT partners to sustain service levels and high availability of server compute services. Visible and accessible to clients providing guidance for how to successfully request new devices as needed.
• Build and maintains knowledge of new technologies or technology opportunities for on-prem and Cloud based services.
• Assists in coordinating and implementing planned infrastructure changes for business and/or IT clients.
• Ensures proper implementation of technology both within the production and the development environments.
• Looks for ways to automate processes to allow more efficient use of resources.
• Finds ways over, around and through barriers to success. Self-starter. A results-oriented doer.
• Promotes and encourages Diversity, Equity & Inclusion

POSITION SPECIFICATIONS

Minimum:

• Bachelor's Degree (Computer Science or related field) and 5-7 years relevant experience (IT infrastructure support, application support, cloud computing, disaster/recovery) or 6-9 years of relevant work experience
• Demonstrated proficiency in at least one operational domain such as storage, compute, database, collaboration, application support, [cloud hosting and related technologies]
• Ability to lift up to 25lbs to rack servers with assistance and use of server lifts as needed.
• Ability to travel domestically.
• 24/7 on-call rotational duties

Preferred:

• Experience administrating servers on-prem (physical and virtual) and in Microsoft Azure and Oracle Cloud Infrastructure.
• Experience with Oracle Enterprise Linux, Solaris, Exadata hardware helpful
• Experience with scripting language such as Python, Shell
• Zerto experience.
• Certifications such as Azure Administrator, Oracle Cloud Administrator, VMware, and Red Hat Enterprise Linux Server preferred.
• Demonstrated ability with knowledge in current versions of VMware hypervisor technology.
• Working level knowledge: Backups, RAID, SAN, and NAS storage
• Excellent communications skills - Able to effectively communicate highly technical information in non-technical terminology (written and verbal).
• Makes well-thought-out decisions on complex or ambiguous issues.
• Understanding of change management principles associated with sustaining high availability of systems and preventing change related incidents due to human performance factors.
• Takes good directions from Team Leads and Manager in performing required work.
• Independence level: works under supervision of Team Leads and/or Manager.