Senior System Administrator / System Engineer - Linux Job at Columbia Technology Partners (Annapolis Junction)

Senior System Administrator / System Engineer - Linux

The Senior System Administrator / Engineer - Linux will support a high-visibilit...

Location

United States , Annapolis Junction

Salary:

Not provided

Columbia Technology Partners

Expiration Date

Until further notice

Requirements

10+ years Linux System Administration/Engineering experience
Expertise with CentOS/RHEL, JBoss/WildFly, and VMware
Security+ certification required
Experience with Ansible, scripting (Shell/Python), and enterprise infrastructure
Working knowledge of security compliance, networking, storage, and physical servers
Familiarity with Oracle Database and JSON
U.S. Citizenship is required for all applicants
DOD 8570 Certification
This position requires an active Security Clearance with appropriate Polygraph

Job Responsibility

Administer, engineer, and maintain Linux systems (CentOS/RHEL) in a mission-critical environment
Install, configure, operate, and maintain JBoss and WildFly application servers
Create, configure, and manage VMware virtual machines
Support enterprise services across an IC-wide mission environment
Perform system troubleshooting, performance tuning, and issue resolution
Support security compliance requirements and authentication mechanisms
Develop and maintain scripts to automate system administration tasks
Administer and support physical server infrastructure
Collaborate with storage, networking, and security teams as required

What we offer

Medical: CTP offers 3 superior plans, bringing our employees both in-network and out-of-network options
Vision + Dental: Both free to you + paid in full by CTP
Retirement: 401k - 6% company contribution
PTO + Leave: Offering customizable leave plans
Jury Duty, Bereavement + Military Leave provided
Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition
Life and AD&D Insurance/Short-Term & Long-Term Disability: at zero cost to you
Profit Sharing Bonus: End of year cash gets added to your bottom-line
Referral Bonus Program: Our bonuses range from $7,000-$20,000

Fulltime

Senior Linux System Administrator - Support Engineer

We are seeking an experienced Senior Linux System Administrator/System Support E...

Location

Australia , Canberra

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent work experience
At least 5 years of hands-on experience managing Linux systems in production environments, including HPC systems
Expertise in Linux/Unix operating systems, parallel file systems (Lustre, GPFS), and networking technologies
Proficiency in scripting/programming languages (Bash, Python, Perl, C++)
Experience with automation/configuration management tools (Ansible, Puppet, Chef, Terraform)
Strong understanding of networking concepts (TCP/IP, DNS, DHCP, firewalls, VPNs)
Familiarity with monitoring/logging tools (Nagios, Grafana, ELK Stack)
Experience with containerization technologies (Docker, Kubernetes)
Excellent problem-solving, analytical, and communication skills
able to diagnose complex technical problems to root cause

Job Responsibility

Deploy, configure, maintain, and troubleshoot Linux servers and HPC clusters systems (Red Hat, CentOS, Ubuntu, or others) across physical (primarily), virtual, and cloud environments
Support, maintain, and optimize HPC systems, including cluster manager, operating system and network fabric installation, servicing, and advanced technical troubleshooting of hardware/software and parallel file systems (e.g., Lustre, GPFS)
Monitor system performance, availability, and security using industry-standard tools and practices
ensure compliance with organizational policies and external regulations
Plan and execute upgrades, patches, enhancements, and migrations to ensure systems are current, secure, and optimized
Automate system administration tasks using scripting languages (Bash, Python, Perl, etc.) and configuration management tools (Ansible, Puppet, Chef, Terraform)
Implement and maintain backup/recovery strategies, disaster recovery plans, and system documentation
Collaborate with development, network, and security teams to support application deployments and troubleshoot issues, particularly in multi-technology HPC environments
Provide technical consulting, mentoring, and guidance to junior team members and contribute to internal knowledge sharing
Ensure compliance with strict security protocols in sensitive environments (e.g., government, research)

What we offer

Health & Wellbeing: comprehensive suite of benefits that supports physical, financial and emotional wellbeing
Personal & Professional Development: specific programs catered to helping you reach any career goals
Unconditional Inclusion: unconditionally inclusive in the way we work and celebrate individual uniqueness

Senior System Administrator II [Ceph Engineer]

This team is part of our Platform Engineering team in India. The purpose of Plat...

Location

India , Bengaluru

Salary:

Not provided

Adyen

Expiration Date

Until further notice

Requirements

5+ years of experience in Linux systems administration with a focus on storage (e.g., Ceph)
Proven experience with enterprise storage systems (e.g., Purestorage, NetApp, EMC, Dell, IBM, Hitachi)
Strong understanding of RAID, LVM, NFS, iSCSI, multipathing, and file systems (ext4, XFS, ZFS, etc.)
Hands-on experience with enterprise storage systems and clustering technologies
Proficiency in shell scripting
Python, Puppet or Ansible knowledge
Experience with virtualization technologies such as VMware or KVM
Familiarity with cloud storage solutions like AWS S3 and EBS
Experience with monitoring tools (Nagios, Prometheus, Zabbix, etc.)

Job Responsibility

Design and deploy storage infrastructure (SAN, NAS, DAS, Object Storage) in accordance with organizational needs
Monitor and maintain storage systems to guarantee optimal performance, availability, and reliability
Perform capacity planning and forecasting for future storage needs
Develop and implement strategies for backup, replication, and disaster recovery
Troubleshoot and resolve issues related to storage systems
Maintain documentation of configurations, procedures, and standards
Collaborate with other Platform Engineering teams on system upgrades, migrations, and integrations
Automate storage provisioning and management using scripting or infrastructure-as-code tools

Senior System Administrator II [Storage Engineer]

This team is part of our Platform Engineering team in India. The purpose of Plat...

Location

India , Bengaluru

Salary:

Not provided

Adyen

Expiration Date

Until further notice

Requirements

5+ years of experience in Linux systems administration with a focus on storage (e.g., Ceph) {MANDATE}
Proven experience with enterprise storage systems (e.g., Purestorage, NetApp, EMC, Dell, IBM, Hitachi). {MANDATE}
Strong understanding of RAID, LVM, NFS, iSCSI, multipathing, and file systems (ext4, XFS, ZFS, etc.) {MANDATE}
Hands-on experience with enterprise storage systems and clustering technologies
Proficiency in shell scripting
Python, Puppet or Ansible knowledge experience with virtualization technologies such as VMware or KVM
Familiarity with cloud storage solutions like AWS S3 and EBS
Experience with monitoring tools (Nagios, Prometheus, Zabbix, etc.)

Job Responsibility

Design and deploy storage infrastructure (SAN, NAS, DAS, Object Storage) in accordance with organizational needs
Monitor and maintain storage systems to guarantee optimal performance, availability, and reliability
Perform capacity planning and forecasting for future storage needs
Develop and implement strategies for backup, replication, and disaster recovery
Troubleshoot and resolve issues related to storage systems
Maintain documentation of configurations, procedures, and standards
Collaborate with other Platform Engineering teams on system upgrades, migrations, and integrations
Automate storage provisioning and management using scripting or infrastructure-as-code tools

Fulltime

Senior Linux Engineer

We are seeking an experienced Senior Linux Engineer to support and enhance compl...

Location

United States , Chicago

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

5+ years of experience in Linux systems engineering or administration
Strong expertise with Red Hat, CentOS, Ubuntu, or other enterprise Linux distributions
Experience with server provisioning, patching, and performance tuning
Proficiency in scripting with Bash, Python, or similar languages
Experience with automation and configuration management tools such as Ansible, Puppet, or Chef
Knowledge of networking fundamentals, storage systems, and virtualization technologies
Experience with system monitoring and log analysis tools
Strong understanding of security best practices, access controls, and OS hardening
Ability to troubleshoot complex technical issues independently
Strong communication and documentation skills

Job Responsibility

Design, implement, administer, and support enterprise Linux server environments
Manage system performance, availability, reliability, and security
Troubleshoot and resolve complex operating system, server, and infrastructure issues
Automate administration tasks using scripting and configuration management tools
Support patching, upgrades, and system hardening initiatives
Monitor infrastructure and respond to incidents, outages, and service requests
Partner with cross-functional teams including cloud, network, security, and application teams
Maintain system documentation, standards, and operational procedures
Support disaster recovery, backup, and business continuity processes
Recommend and implement infrastructure improvements and best practices

What we offer

Medical
Vision
Dental
Life and disability insurance
401(k) plan

Senior Linux Engineer

We are looking for a Senior Linux Engineer to join a contract-to-permanent oppor...

Location

United States , Salt Lake City

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

7+ years of hands-on experience supporting Linux systems in enterprise environments
Strong expertise with Red Hat Enterprise Linux (RHEL) administration and troubleshooting
Practical experience managing infrastructure within Amazon Web Services, especially EC2 and VPC environments
Knowledge of print server administration, network printers, print queues, and related troubleshooting methods
Solid understanding of networking concepts and the ability to investigate connectivity and service issues across systems
Proficiency in Unix shell scripting for automation, maintenance, and system administration tasks
Ability to document procedures clearly and collaborate effectively with cross-functional technical teams

Job Responsibility

Oversee the daily administration of enterprise Linux servers, ensuring consistent performance, availability, and system reliability
Maintain and support Linux instances hosted in AWS EC2, including coordination with VPC configurations, connectivity needs, and security group settings
Administer print infrastructure by managing print servers, queue configurations, device definitions, and issue resolution for network-connected printers
Carry out routine maintenance activities such as patch deployment, version upgrades, service restarts, and production incident handling
Develop and refine shell-based automation to reduce manual effort and improve the efficiency of recurring operational tasks
Partner with application support, networking, and service desk teams to diagnose and resolve Linux and print-related service disruptions
Produce and update runbooks, technical standards, and support documentation to strengthen operational consistency and knowledge sharing

What we offer

Medical, vision, dental, and life and disability insurance
Company 401(k) plan

Senior / System Engineer (VEEAM/VMWare/Linux)

Make an impact with NTT DATA. Join a company that is pushing the boundaries of w...

Location

Singapore , Singapore

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience)
Certifications relevant to the services provided (certifications carry additional weightage on a candidate's qualification for the role)
Relevant certifications include (but not limited to) - VMware certified Professional: DATA Centre Virtualization
VMware Certified Specialist – Cloud Provider
VMware Site recovery Manager: Install, Configure, Manage
Microsoft Certified: Azure Architect Expert
AWS Certified: Solutions Architect Associate
Veeam Certified Engineer (VMCE)
Rubrik Certified Systems Administrator
Storage HDS

Job Responsibility

Works independently, with general direction from the client, stakeholders, team lead, or senior manager, to perform operational tasks to resolve all escalated incidents/requests in a timely manner within the agreed SLA
Timely and consistent updates of tickets with resolution tasks performed
Proactively identifies, investigates, analyses issues and errors prior to or when they occur and log all such incidents in a timely manner
Captures all required and relevant information for immediate resolution
Provides forth level support to all escalated incidents, requests and identify the root cause of incidents and problems, respond to tickets where third line engineer teams were unable to fix the problem
Shares such knowledge, to resolve issues, document them, and push the knowledge down to other engineers
Communicates with other teams and clients for extending support
Acts as emergency support contact as needed, for critical client and business-impacting issues
Supports, tracks, and documents change implementation
Provides timely escalation of all tickets to management with ensuing updates, where applicable

Fulltime

Senior System Engineer

We are looking for a Senior Storage and Backup Administrator to join the Global ...

Location

Luxembourg , Luxembourg

Salary:

Not provided

Alter Domus

Expiration Date

Until further notice

Requirements

Bachelor's degree in Information Technology, Computer Science, or equivalent experience
7+ years of experience administering enterprise storage and backup environments
Strong experience with backup tools such as Veeam, Commvault, Cloud Backup
Strong experience with SAN/NAS technologies (Dell PowerFlex, Dell Unity, Dell Data Domain)
Hands-on experience with VMware and Hyper-V environments
Solid knowledge of Windows and Linux server environments
Solid knowledge with cloud platforms such as Azure and AWS
Scripting and Automation knowledge using PowerShell / Shell
Good understanding of networking concepts
Strong troubleshooting and analytical skills

Job Responsibility

Design, deploy, configure, and maintain enterprise storage systems including SAN, NAS, and object storage environments
Manage and optimize storage platforms, especially: Dell PowerFlex, Dell Unity, Dell Data Domain, Synology
Perform storage provisioning, capacity planning, performance tuning, and lifecycle management
Monitor storage performance, availability, and utilization to proactively identify and resolve issues
Implement and maintain storage replication, snapshots, deduplication, compression, and tiering strategies
Administer enterprise backup solutions such as Veeam, Commvault, Azure Backup, AWS Backup
Develop and maintain backup, retention, and recovery policies aligned with business and compliance requirements
Perform backup monitoring, troubleshooting, validation, and recovery testing
Lead Disaster Recovery drills and ensure RPO/RTO objectives
Ensure successful execution of backup jobs and rapid restoration capabilities

What we offer

Support for professional accreditations such as ACCA and study leave
Flexible arrangements, generous holidays, plus an additional day off for your birthday
Continuous mentoring along your career progression
Active sports, events and social committees across our offices
24/7 support available from our Employee Assistance Program
The opportunity to invest in our growth and success through our Employee Share Plan

Fulltime

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Senior System Administrator / System Engineer - Linux

Job Description

Job Responsibility

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What we offer

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