Lead IT Systems Administrator Job at Premier Group (London)

Lead Systems Administrator

We are seeking an experienced and proactive Lead System Administrator to oversee...

Location

United States , Colorado Springs

Salary:

96534.61 - 167854.95 USD / Year

Arcfield

Expiration Date

Until further notice

Requirements

Bachelor's degree with 8-10 years
Master's degree with 6-8 years or PhD with 3-5 years in Computer Science, Information Technology or equivalent field (or relevant experience)
5+ years of systems administration experience, with at least two years in a lead or team management role
Experience supporting enterprise-level IT environments with high availability and security requirements
Must possess and maintain an active TS/SCI Clearance
Expertise in system administration tasks, including installation, upgrades, and patch management for systems such as Windows Server and Linux/Unix
Proficiency with server hardware technologies, including virtualization platforms (VMware, Hyper-V, etc.)
Strong networking knowledge—experience with DNS, DHCP, IP routing, VLANs, and related protocols
Hands-on experience managing enterprise storage platforms (SAN, NAS)
In-depth understanding of IT security protocols, such as encryption, authentication, firewalls, and intrusion prevention/detection systems

Job Responsibility

Lead the System Administration Team: Supervise, mentor, and manage a team of system administrators, providing guidance and technical leadership
Prioritize and Delegate Work: Assign tasks, monitor progress, and ensure the timely and quality delivery of IT services
Act as a Technical Advisor: Serve as the escalation point for complex issues, providing technical expertise and troubleshooting
Provide Training and Support: Develop training programs and conduct knowledge-sharing sessions to improve team capabilities
Maintain IT Infrastructure: Oversee the configuration, administration, and maintenance of servers, operating systems, networks, and storage systems to meet organizational needs
Perform System Audits: Regularly assess system performance, reliability, and capacity, implementing improvements or updates where necessary
Optimize Server and Application Performance: Identify bottlenecks and recommend technical solutions to improve system performance
Monitor System Health: Proactively manage system monitoring to minimize downtime and troubleshoot failures when systems become unavailable
Analyze organizational requirements to design scalable and robust IT solutions
Plan and execute hardware/software upgrades, migrations, patch management, and decommissioning

What we offer

Health Insurance
Life Insurance
Paid Time Off
Holiday Pay
Short Term and Long-Term Disability
Retirement and Savings
Learning and Development opportunities
wellness programs

Fulltime

Senior IT Systems Administrator

Reporting to the Director of IT and Data Sciences, we are seeking a Senior IT Sy...

Location

United States , Philadelphia

Salary:

Not provided

Cabaletta Bio Inc

Expiration Date

Until further notice

Requirements

Bachelor’s degree with 5+ years of experience as a Systems Administrator or similar role in biotech, pharmaceutical, or life sciences industries
Experience with LAN/WAN networks, including wireless and firewall management
Strong experience with AWS services, including EC2, VPC, Elastic Load Balancing (ALB/NLB), RDS, and S3
Strong experience with Windows Server (2016/2019/2022) and RHEL (7/8/9)
Experience supporting Microsoft 365 applications, including Exchange, SharePoint, Teams, and Entra ID (SSO, SAML, OIDC)
Solid understanding of Active Directory, Group Policy, and file system permissions
Experience with backup and recovery platforms
Experience supporting cybersecurity practices in a regulated environment, including patch management, access controls, and endpoint security
Familiarity with firewalls, network security concepts, and identity management
Excellent problem-solving, communication, and organizational skills

Job Responsibility

Own and contribute to the design, implementation, configuration, and support of servers, network devices, and firewalls in collaboration with IT and business teams
Own the operational health of IT systems, including end-user support, break-fix activities, monitoring, patch management, system backup/recovery, system administration, troubleshooting, and issue resolution
Lead and coordinate Tier 2/3 escalations, ensuring timely resolution with internal stakeholders and external partners
Serve as a primary technical point of contact for external service providers, ensuring alignment with operational and security expectations
Partner with external support providers to maintain consistent service delivery, including responsiveness, quality, and adherence to service expectations
Review escalations, recurring issues, and incident trends to identify improvement opportunities and reduce operational risk
Coordinate and communicate infrastructure and system changes, ensuring proper documentation and alignment with internal processes
Collaborate with internal stakeholders and service providers to prioritize work and support a high-quality end-user experience
Contribute to continuous improvement of IT service delivery processes and operational practices
Administer and support core Linux and Microsoft technologies across cloud and hybrid environments

What we offer

health and retirement
PTO
stock option plans

Fulltime

Senior IT Systems Administrator

This is a Contract to permanent position, offering an exciting opportunity to su...

Location

United States , New York

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Minimum of 5 years of experience in IT systems administration or a related field
Proficiency in tools such as Slack, Rippling, Google Workspace, Freshservice, and Azure Sentinel
Familiarity with Airtable, HubSpot, Confluence, Figma, and Five9 platforms
Strong troubleshooting and problem-solving skills for both hardware and software issues
Demonstrated ability to manage endpoint security operations and SaaS services effectively
Experience in vendor management and IT inventory oversight
Solid understanding of network administration and optimization, including Ubiquiti systems
Excellent communication skills and ability to collaborate across teams

Job Responsibility

Manage and maintain SaaS services, endpoint security, vendor relationships, and IT inventory to ensure smooth day-to-day operations
Oversee technical support for end-users, addressing issues promptly to maximize productivity
Lead hardware and software deployment, troubleshooting, and maintenance efforts
Collaborate with People Operations to streamline onboarding and offboarding processes, including equipment provisioning through Rippling
Administer and optimize office networks, ensuring robust connectivity and reliability using Ubiquiti
Support Google Workspace operations, maintaining functionality and resolving issues as needed
Work closely with internal development teams to provide technical assistance for proprietary applications
Implement security best practices across IT systems and networks to safeguard organizational data
Ensure the functionality of Google Meet and AV equipment within conference rooms to support uninterrupted meetings
Standardize processes and establish operational best practices to improve transparency, speed, and quality

What we offer

medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan

IT Systems Administrator

As our IT System Administrator, you’ll play an essential role in supporting the ...

Location

United States , Bonita Springs

Salary:

80000.00 USD / Year

Rittenhouse Village At Michigan City

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience)
3–5 years of experience in IT systems administration or application support
Hands-on experience supporting ERP or financial management systems
Strong experience with SaaS platforms, user management, and role-based access control
Working knowledge of SQL reporting and data management best practices
Exposure to scripting or automation tools (PowerShell, Python, or similar) preferred
Experience creating technical documentation and end-user support materials
Strong communication and problem-solving skills
Relevant certifications or vendor credentials are a plus

Job Responsibility

Serve as the Subject Matter Expert for Yardi Voyager and associated ERP modules
Manage user access, roles, and security permissions to support compliance and audit requirements
Lead system upgrades, enhancements, sandbox testing, and User Acceptance Testing (UAT)
Troubleshoot and resolve Tier 2 and Tier 3 system issues escalated from the help desk
Support additional finance systems such as Concur and Avid Pay
Partner with Finance during month-end and year-end close processes
Design, develop, and maintain custom reports using Yardi reporting tools and SQL queries
Monitor and maintain integrations between ERP systems and external vendors or banking platforms
Perform data audits to ensure integrity of General Ledger, AP, and AR data
Manage vendor relationships and drive timely issue resolution

What we offer

Comprehensive benefits package – medical, dental, vision, PTO, 401(k) and more for eligible positions
Competitive wages
Early access to earned wages before payday!
Flexible scheduling options with full-time and part-time hours
Paid time off and Holidays (full-time)
Comprehensive benefit package including health, dental, vision, life and disability insurances (full-time)
401(K) with employer match
Paid training
Opportunities for growth and advancement
Meals and uniforms

Fulltime

IT Systems Administrator

Perplexity is seeking a highly skilled and experienced IT Systems Administrator ...

Location

United States , New York City

Salary:

150000.00 - 180000.00 USD / Year

Perplexity

Expiration Date

Until further notice

Requirements

4+ years of hands-on IT systems administration experience
Strong proficiency in macOS & GSuite environments
Strong troubleshooting skills
Extensive experience with network management, including LAN/WAN, DHCP, DNS, and firewalls
Comprehensive understanding of cybersecurity principles and practices, including firewalls, encryption, and antivirus solutions
Proven track record in managing IT projects, including system upgrades and new implementations
Excellent communication and interpersonal skills

Job Responsibility

Procure, maintain, and administer computers, networking equipment, and office technology
Manage and optimize corporate software systems
Oversee and enhance the Mobile Device Management (MDM) infrastructure
Deploy and enforce robust security policies and procedures
Provision and manage user accounts and permissions
Provide prompt, effective technical support and troubleshoot complex issues
Lead IT projects focused on endpoint management, security enhancements, and infrastructure improvements
Deliver technical support and training on IT systems to staff (in-person and remotely)

What we offer

Offers Equity
Full-time U.S. employees enjoy a comprehensive benefits program including equity, health, dental, vision, retirement, fitness, commuter and dependent care accounts, and more
Full-time employees outside the U.S. enjoy a comprehensive benefits program tailored to their region of residence

Fulltime

IT Systems Administrator

Perplexity is seeking a highly skilled and experienced IT Systems Administrator ...

Location

Serbia , Belgrade

Salary:

Not provided

Perplexity

Expiration Date

Until further notice

Requirements

5+ years of hands-on IT systems administration experience
Strong proficiency in Okta, macOS & GSuite environments
Strong troubleshooting skills
Comprehensive understanding of cybersecurity principles and practices, endpoint protection, compliance and encryption
Proven track record in managing IT projects on their own, including system upgrades and new implementations
Strives for automation
Excellent communication and interpersonal skills

Job Responsibility

Procure, maintain, and administer computers, networking equipment, and office technology
Manage and optimize corporate software systems, including automations and integrations
Oversee and enhance the Mobile Device Management (MDM) infrastructure
Deploy and enforce robust security policies and procedures
Provision and manage user accounts and permissions
Provide prompt, effective technical support and troubleshoot complex issues
Lead IT projects focused on endpoint management, security enhancements, and infrastructure improvements
Leverage automation and build tools to scale IT capabilities

Fulltime

Senior IT Systems Administrator

We are looking for an experienced IT Systems Administrator-Level 3 to join our t...

Location

United States , Juno Beach

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field
11-15 years of experience managing enterprise IT environments, system architecture, and infrastructure security with attention to detail
Advanced knowledge of Active Directory, Azure AD, VMware, and cloud-based infrastructure solutions
Expertise in IT governance, cybersecurity risk management, and compliance with industry regulations
Demonstrated ability to lead complex IT projects, including cloud migrations and automation initiatives
Proficiency in problem management, root cause analysis, and system reliability enhancement
Familiarity with monitoring tools and techniques to improve incident detection and response
Strong understanding of networking, operating systems, and configuration management processes

Job Responsibility

Manage the installation, configuration, and maintenance of computing infrastructure, including operating systems and middleware products, across various platforms
Evaluate, implement, and adjust software parameters and solutions to optimize system performance
Develop and enforce cybersecurity measures to safeguard enterprise IT environments and ensure compliance with regulations
Oversee enterprise Active Directory environments, virtualization platforms, and network infrastructure
Lead IT infrastructure projects such as data center operations, cloud migrations, and automation initiatives
Collaborate with monitoring engineers to enhance issue prediction, detection, and automated response systems
Drive continuous improvement in system reliability through root cause analysis and problem management
Ensure timely delivery of PC hardware and software asset management processes and IT audit requirements
Maintain compliance with workstation patching and vulnerability reduction efforts
Utilize IT governance frameworks to establish policies and procedures that align with best practices and industry standards

What we offer

medical
vision
dental
life and disability insurance
401(k) plan

Senior IT Systems Administrator

This role offers the autonomy to make meaningful changes, lead technical initiat...

Location

United Kingdom , Bolton, Manchester

Salary:

Not provided

Cheriva Group Ltd

Expiration Date

Until further notice

Requirements

Keeping core infrastructure running smoothly and securely
Leading system upgrades, patching, deployments, and documentation
Enhancing disaster recovery and backup processes
Supporting the development of new physical sites
Acting as the senior escalation point for IT support issues
Driving innovation and identifying opportunities for improvement
Creating technical documentation and playbooks
Experience with Windows Server
Experience with VMware (vSphere/ESXi)
Experience with Microsoft 365 & Intune

Job Responsibility

Keeping core infrastructure running smoothly and securely
Leading system upgrades, patching, deployments, and documentation
Enhancing disaster recovery and backup processes
Supporting the development of new physical sites
Acting as the senior escalation point for IT support issues
Driving innovation and identifying opportunities for improvement
Creating technical documentation and playbooks

Fulltime

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Lead IT Systems Administrator

Job Description

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