Senior Linux Administrator Job at Tech Mahindra (ALPHARETTA)

Senior Linux Systems Administrator

Aquila Technology is seeking a Senior Linux Systems Administrator to join our te...

Location

United States , Lexington

Salary:

Not provided

Aquila Technology

Expiration Date

Until further notice

Requirements

Must be a U.S Citizen
Must have an Active Secret Clearance (Green Cards / Visas do not qualify)
Willingness to undergo a comprehensive background investigation and maintain a personal security clearance
5 years – Networks
5 years – Networking Applications and Protocols: TCP/IP, DNS, NTP, DHCP, SSH, FTP and HTTP/S
5 years – SSH Server implementation, Linux Networking Configuration, Host Based Firewall, Web Server
5 years – Programming
5 years – Scripting Experience: Python, Ansible, TCL or Bash
5 years – Systems
5 years – Configuration of Distributed Environments, including NFS for Storage

Job Responsibility

Performing systems administration on Red Hat 8/9 servers, Red Hat Identity Management (IdM), and Red Hat Ansible Automation
Server performance optimization
Cyber security
OS and application patching
McAfee suite
Scripting
Storage
Disaster recovery

What we offer

PTO – 15 days (vacation/sick)
10 paid holidays – 6 standard (New Year’s, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas) – 4 floating holidays prorated based on your day of hire
1.5 paid days, or 12 hours, for approved volunteer work
1 week of paid maternity/paternity LOA after 1 year of Full-time employment
Tuition & Training Reimbursement – 5K annually for pre-approved, job-related tuition, certification, or professional conferences
401K with Fidelity 100% immediate vesting
Aquila matches 100% the fist 3%, then 50% on the next 2%
Cell Phone & Internet Reimbursed up to $150 monthly to cover cell phone, data, and home internet expenses
By Your Own Device (BYOD) Allowance Reimbursed up to $1500 for the purchase of a qualified technology device

Fulltime

Senior Linux System Administrator - Support Engineer

Senior Linux System Administrator/System Support Engineer with expertise support...

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
Demonstrated ability to work independently in multi-technology environments and collaborate across teams

Job Responsibility

Deploy, configure, maintain, and troubleshoot Linux servers (Red Hat, CentOS, Ubuntu, or others) across physical, virtual, and cloud environments
Support, maintain, and optimize HPC systems, including installation, servicing, and advanced technical troubleshooting of hardware/software and parallel file systems
Monitor system performance, availability, and security using industry-standard tools and practices
Plan and execute upgrades, patches, enhancements, and migrations to ensure systems are current, secure, and optimized
Automate system administration tasks using scripting languages and configuration management tools
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
Provide technical consulting, mentoring, and guidance to junior team members
Ensure compliance with strict security protocols in sensitive environments
Participate in on-call rotation and respond to system incidents and outages

What we offer

Competitive salary and performance-based bonuses
Comprehensive health, dental, and vision insurance
Retirement plan options
Paid time off and holidays
Professional development opportunities
Flexible work arrangements

Fulltime

Senior Linux Systems Administrator – Datacenter Infrastructure

The consultant will oversee a robust estate of over 2,500 Red Hat Enterprise Lin...

Location

United States , Somerset

Salary:

49.50 - 81.25 USD / Hour

ClearBridge Technology Group

Expiration Date

Until further notice

Requirements

Minimum 10 years of hands-on experience in enterprise-level Linux system administration and technical operations
Prior experience in financial services
Proven expertise in RHEL 7/8, including deep familiarity with KVM virtualization and system internals
Advanced knowledge of HPE ProLiant server architecture, diagnostics, and lifecycle management
Demonstrated proficiency in security operations, including EDR/SIEM agent management and vulnerability remediation
Experience with HPE SAN technologies, including fabric zoning, Primera/Alletra storage systems, and fiber channel networking
Working knowledge of Puppet and Cobbler for configuration and provisioning automation
Proficient in scripting languages: Python, Perl, and Bash
capable of developing scalable automation solutions

Job Responsibility

Lead advanced administration, configuration, and performance optimization of Red Hat Enterprise Linux (RHEL) systems
Design and manage RHEL KVM virtualization environments, including provisioning, troubleshooting boot issues, and fine-tuning for optimal performance
Oversee lifecycle management of HPE ProLiant hardware, including upgrade analysis, firmware upgrades, component replacements, and remote diagnostics via iLO
Design and execute robust processes for infrastructure patching, reboot orchestration, and content lifecycle management
Administer and enhance security posture through deployment and maintenance of EDR and SIEM agents, ensuring compliance with CVE remediation SLAs
Analyze and resolve kernel-level system bottlenecks and network latency, delivering actionable performance tuning strategies
Manage HPE storage platforms (Primera, Alletra), including SAN zoning, volume provisioning, LVM configuration, and fiber channel switch operations
Maintain critical datacenter services: NTP/Chrony, Elastic Stack, Puppet, Cobbler, Rundeck, Squid Proxy, DNS, and Postfix
Implement proactive monitoring using tools such as Nagios/Naemon, Prometheus, and PRTG, ensuring high availability and rapid incident response
Develop and maintain automation frameworks using Ansible, Python, Perl, and shell scripting to streamline operational workflows

What we offer

Excellent benefits and compensation packages
Additional compensation provided for bi-monthly Saturday production rollouts

Fulltime

Senior System Administrator

As a Senior System Administrator at Exor International, you will manage, maintai...

Location

Italy , San Giovanni Lupatoto

Salary:

Not provided

EXOR International

Expiration Date

Until further notice

Requirements

Proven experience (5+ years) as a system administrator or in similar roles
Strong knowledge of Windows Server operating systems in hyperconverged server farm environments (Nutanix) and virtualization platforms (VMware)
Experience with monitoring tools (PRTG)
Good understanding of network protocols, DNS, DHCP, TCP/IP
Knowledge of Microsoft authentication services (AD and Entra ID)
Experience with Sophos Firewall, End Point Security, and VPN
Familiarity with mail relay servers (Libra Esva) and email management using Exchange Online
Ability to work independently and manage complex projects
Good written and spoken English
Willingness to travel occasionally to company locations

Job Responsibility

Manage and monitor physical and virtual servers (Windows/Linux)
Administer cloud environments (Azure)
Configure and maintain networks, firewalls, VPNs, and security systems
Automate processes using scripting (e.g., Bash, PowerShell) with MDM and EDB (Baramundi)
Oversee backups (Veeam) and disaster recovery (Nutanix asynchronous replication)
Provide second- and third-level technical support
Manage vulnerability assessments and implement remediations
Maintain technical documentation and update IT policies

Fulltime

Senior Systems Administrator

Drive automation and modernization to truly impact mission success. This is an o...

Location

United States , Annapolis Junction

Salary:

150000.00 - 250000.00 USD / Year

LufCo

Expiration Date

Until further notice

Requirements

Bachelors degree in a Technical field
5 years of additional experience as a Systems Administrator may be substituted for a Bachelors degree
SA2: 10+ years of experience in System Administration on programs or projects of similar scope, type, and complexity
SA3: 15+ years of experience in System Administration on programs or projects of similar scope, type, and complexity
Skills: Linux
Ansible
Shell scripting
Active TS/SCI with Polygraph clearance

Job Responsibility

Implementation, troubleshooting, and maintenance of IT systems leveraging automation frameworks
Improve and monitor the daily activities of system configuration and operation across a full stack of hardware and software
Excel at problem solving to support mission users and provide feedback to system designers and developers
Plan and update mission critical systems on a day-to-day basis without impacting a massive stakeholder community
Provide innovative methods of reliability and recovery improvements and assist in designing next generation deployment profiles for system modernization
Possess a helpful attitude for problem resolution and work issue escalation between users and system developers
Optimizes system operations and resource utilization, and perform system capacity analysis and planning
Provides in-depth experience in trouble-shooting IT systems
Offers support for the dispatch system and hardware problems and remains involved in the resolution process

What we offer

Competitive salary
generous PTO
health/dental/vision insurance
401K matching
tuition reimbursement
Paid Time Off
401K Contribution and Employer Match Contributions
Medical, Dental, and Vision Coverage

Fulltime

Senior Database Administrator

Senior Database Administrator role focusing on PostgreSQL and ClickHouse databas...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Information Technology, or a related field
5-8 years of experience in database administration with strong PostgreSQL and ClickHouse expertise
Deep understanding of PostgreSQL architecture, configuration, replication, and tuning
Experience with ClickHouse configuration and optimization for large-scale analytics
Strong SQL and query optimization capabilities
Familiarity with backup/recovery tools such as pgBackRest, Barman, and ClickHouse utilities
Proficiency in Linux environments and shell scripting
Exposure to cloud-hosted database services like AWS RDS/Aurora, Azure Database, or GCP
Strong analytical thinking and problem-solving ability
Clear communication and effective cross-team collaboration

Job Responsibility

Install, configure, and maintain PostgreSQL and ClickHouse across development, staging, and production environments
Monitor database health, performance, and resource usage
Manage schemas, indexes, roles, and permissions for performance and security
Analyze and tune queries, indexing strategies, and configurations for low-latency, high-throughput workloads
Optimize ClickHouse for analytical and OLAP workloads on large datasets
Implement backup strategies and disaster recovery solutions
Configure and manage replication, clustering, and failover setups
Apply database security best practices including encryption, access controls, and audit logging
Ensure compliance with industry standards and regulations
Investigate and resolve database-related incidents and performance issues

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment
Career growth opportunities
Comprehensive benefits suite supporting physical, financial and emotional wellbeing

Fulltime

Senior Database Administrator

We’re hiring a pragmatic Senior Database Administrator to own the health, perfor...

Location

United Kingdom , Remote

Salary:

Not provided

Equals Group PLC

Expiration Date

Until further notice

Requirements

Strong practical experience with MySQL / Aurora MySQL administration at production scale (schema design, replication, failover)
Proven ability to profile and tune queries and indexes (EXPLAIN, slow-query analysis, query rewriting)
Solid knowledge of backup & recovery strategies for Aurora (snapshots, continuous backups/PITR) and tested restore experience
Experience with monitoring and alerting for databases (CloudWatch, Performance Insights, slow-query logs) and acting on alarms
Comfortable scripting/automation (Bash, Python, or similar) to build health checks, runbooks and operational tooling
good Linux fundamentals
A role model for our values: Make it happen
Succeed together
Be the customer
Go beyond

Job Responsibility

Monitor cluster health and alerts (CloudWatch / Performance Insights / slow-query), investigate anomalies and act on incidents
Diagnose and optimise slow queries and problematic transactions: use EXPLAIN, rewrite queries, and add/remove indexes as needed
Ensure backups, snapshots and PITR are configured and tested
maintain and exercise recovery/runbook procedures
Perform capacity planning, sizing and maintenance (patches, minor version upgrades, failover drills) to keep performance and availability targets
Automate routine checks and reports (index coverage, long-running queries, replica lag, space usage) and produce actionable recommendations for engineering teams

What we offer

A competitive salary benchmarked against a peer group
25 days holiday per year + your birthday off
Opportunities for progression, development and learning new skills - £250 towards the cost of learning & development
Free onsite Nuffield Health gym & pool (London) and discounted gym membership elsewhere
GetActive with Aviva - Health and Wellbeing discounts on services and products
Interbank currency rates on travel money and international transfers
Bupa Private Healthcare
Free Eye Test and £50 up to the cost of glasses
EAP Service - Mental Health Services
Life Assurance Policy - x3 annual salary

Fulltime

Senior Linux Engineer

Are you an experienced Linux Engineer looking to take the next step in your care...

Location

United Kingdom , Stevenage

Salary:

55000.00 - 60000.00 GBP / Year

Morson Talent

Expiration Date

Until further notice

Requirements

Strong Linux administration experience across multiple distributions
RHCE certification or equivalent real-world expertise
Excellent communication and stakeholder engagement skills
Experience with automation and configuration management (e.g., Ansible)
Scripting capability (Bash, Python, or similar)
Experience in clustered, HPC, or performance computing environments
Knowledge of parallel file systems (e.g., Lustre) and HPC toolsets (e.g., Bright)
Understanding of networking (InfiniBand/Ethernet) and enterprise storage platforms (DDN, NetApp, IBM, Dell EMC)
Experience using batch schedulers (PBS Pro, Slurm, SGE/UGE, Microsoft Scheduler)
Candidates must be eligible for DV clearance

Job Responsibility

Supporting, developing, and enhancing secure Linux infrastructures across multiple customer contracts
Acting as a subject matter expert and providing mentorship to colleagues
Troubleshooting and resolving escalated or complex Linux issues
Working closely with customers and internal teams, building strong and trusted relationships
Contributing to solution design and future architecture when required

Fulltime

Senior Linux Administrator

Tech Mahindra

Location:
United States , ALPHARETTA

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 15, 2026

Expiration:
January 31, 2026

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Tech Mahindra

Location:United States , ALPHARETTA

Category:IT - Administration

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:January 15, 2026

Expiration:January 31, 2026

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Location:
United States , ALPHARETTA

Category:
IT - Administration

Contract Type:
Not provided

Job Posted:
January 15, 2026

Expiration:
January 31, 2026