Senior Linux System Administrator Job at Synergy ECP (Annapolis Junction)

High Performance Computing Linux System Administrator

High Performance Computing Linux System Administrator role providing technology ...

Location

United States , Utah

Salary:

115500.00 - 266000.00 USD / Year

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

12+ years of professional experience
Master of Arts/Science or equivalent degree in computer science or related area of study
without a Masters degree, 15+ years of relevant professional experience
TS/SCI with Poly clearance required
Demonstrated ability to develop solutions for enterprise environments
Advanced subject matter expertise of IT products, applied technologies and processes
Vendor or industry certification in more than one discipline area
Experience troubleshooting across multi-vendor products
Ability to develop detailed project plans and work breakdown structures
Ability to develop Architecture Specification deliverables

Job Responsibility

Provide technology consulting to external customers and internal project teams
Create and maintain effective customer relationships
Provide technical leadership for significant project/program work
Lead cross-functional teams including technical management of client staff
Provide advanced technical consulting and advice to proposal efforts and solution design
Provide consulting advice to customer senior IT leadership
Set strategic direction for customers based on company's solutions and products
Create and support sales activities
Lead production of proposals for complex customer solutions

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Comprehensive benefits suite supporting physical, financial and emotional wellbeing
Career development programs

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

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 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 System Administrator

We are seeking a highly qualified Senior System Administrator, known for their d...

Location

Canada , Saint-Augustin-de-Desmaures

Salary:

Not provided

Biscuits Leclerc Ltd

Expiration Date

Until further notice

Requirements

Proficiency in Azure and AWS cloud environments
Advanced expertise in Windows server administration
In-depth knowledge of Entra and Active Directory
Strong experience with Intune
Mastery of Fortinet products
Demonstrated ability to work with discipline, take initiative, and operate autonomously
Strong teamwork and advisory skills across technical and non-technical stakeholders
Analytical mindset focused on continuous improvement
Degree in Computer Science or a related field
Minimum of 10 years of experience in complex system administration

Job Responsibility

Make critical decisions regarding system architecture with precision and strategic insight
Manage and maintain Windows and Linux servers with a focus on reliability and performance
Administer and optimize cloud services (Azure, AWS) independently
Handle identity and access management using Entra and Active Directory
Supervise and configure Intune for device and server management
Ensure network security and administration using Fortinet and Cisco products
Implement and maintain effective backup and disaster recovery solutions
Collaborate actively with internal teams in a spirit of teamwork
Provide advanced technical support and act as an advisor to colleagues and partners
Contribute to the ongoing improvement of administrative processes and tools

Fulltime

Senior System Administrator

We are seeking a highly qualified Senior System Administrator, known for their d...

Location

Canada , Brockville

Salary:

Not provided

Biscuits Leclerc Ltd

Expiration Date

Until further notice

Requirements

Degree in Computer Science or a related field
Minimum of 10 years of experience in complex system administration
Proficiency in Azure and AWS cloud environments
Advanced expertise in Windows server administration
In-depth knowledge of Entra and Active Directory
Strong experience with Intune
Mastery of Fortinet products
Demonstrated ability to work with discipline, take initiative, and operate autonomously
Strong teamwork and advisory skills across technical and non-technical stakeholders
Analytical mindset focused on continuous improvement

Job Responsibility

Make critical decisions regarding system architecture with precision and strategic insight
Manage and maintain Windows and Linux servers with a focus on reliability and performance
Administer and optimize cloud services (Azure, AWS) independently
Handle identity and access management using Entra and Active Directory
Supervise and configure Intune for device and server management
Ensure network security and administration using Fortinet and Cisco products
Implement and maintain effective backup and disaster recovery solutions
Collaborate actively with internal teams in a spirit of teamwork
Provide advanced technical support and act as an advisor to colleagues and partners
Contribute to the ongoing improvement of administrative processes and tools

What we offer

Paid and adapted training
Complete benefits program (drug and dental insurance, 1 week of sick leave [conditions apply], telemedicine, group RRSP with employer participation and more)
Quality meals at low prices in the cafeteria (unlimited coffee, tea, cookies and bars)
Free use of the sports facilities (basketball court, training room and cardio room)
Save on our delicious products and discover exclusive novelties
Job security and opportunities for advancement within the company
Rich company culture (Christmas, birthday and maternity gifts, use of the Poka platform and more)

Fulltime

Senior Linux System Administrator

Synergy ECP

Location:
United States , Annapolis Junction

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Requirements:

Additional Information:

Job Posted:
February 18, 2026

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