Sr. Systems Administrator Job at Robert Half (Surprise)

Sr. Systems Administrator

Location

United States , Sugar Land

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, MIS, or related field (or equivalent experience)
8+ years of systems administration or infrastructure experience
Strong Microsoft ecosystem experience (Windows Server 2012R2–2019, SQL Server, Exchange, IIS, RDS)
Office 365 administration experience (SharePoint/OneDrive preferred)
VMware experience (ESXi 7+, HA, DRS, clustering, snapshots, virtual networking)
Patch management and PowerShell scripting experience
Solid networking fundamentals (firewalls, VLANs, routing/subnetting, VPNs)
Basic cybersecurity knowledge (Sophos Central a plus)
vulnerability scanning familiarity
VoIP PBX experience (SIP trunks, PoE phones, IVR, softphones)

Job Responsibility

Administer and support Windows-based infrastructure, including servers, storage, operating systems, and applications, ensuring performance, availability, and recoverability
Design, deploy, and maintain Windows Server services (Active Directory, DNS, DHCP, GPO, IIS, RDS, file/print)
Lead server lifecycle activities including upgrades, migrations, virtualization, and cloud integrations
Troubleshoot escalated Tier 2/3 system and infrastructure issues
Monitor system performance, security, and capacity
recommend improvements and required hardware/software changes
Manage backups, disaster recovery, and system restoration efforts
Oversee Microsoft SQL Server environments including backups, patching, and performance tuning
Collaborate with vendors and third-party partners as needed

What we offer

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

Sr. Systems Administrator

The Sr. Systems Administrator is responsible for the secure, reliable operation ...

Location

United States , Dallas

Salary:

Not provided

Tax Advisors Group

Expiration Date

Until further notice

Requirements

5+ years of experience in systems administration, infrastructure support, or IT operations
Strong experience administering Windows environments, Microsoft 365, and Azure AD (Entra ID)
Hands‑on experience with endpoint security, vulnerability management, and patching practices
Working knowledge of network infrastructure, firewalls, VPN technologies, and cloud governance
Experience supporting environments that process sensitive or regulated data
Proven ability to troubleshoot and resolve complex technical issues independently
Strong communication, collaboration, and stakeholder‑management skills
Applicants must reside in the DFW metroplex

Job Responsibility

Deploys, manages, and monitors endpoint security solutions, including EDR, antivirus, and mobile device protections across all company‑managed devices
Performs regular vulnerability assessments, coordinates OS and third‑party software patching, and remediates identified security risks
Ensures systems and configurations comply with applicable industry standards and frameworks (e.g., NIST, SOC 2) related to the handling of sensitive financial and client tax data
Administers identity and access management within Azure Active Directory (Entra ID), including user lifecycle management, groups, service principals, enterprise applications, and privileged access
Implements and maintains identity security controls such as Multi‑Factor Authentication (MFA), Conditional Access policies, and Privileged Identity Management (PIM)
Administers Microsoft 365 services including Exchange Online, SharePoint, and Teams, ensuring reliable collaboration and communication services
Manages mail flow rules, threat protection (Microsoft Defender for Office 365), and Data Loss Prevention (DLP) policies
Monitors Azure resources and enforces governance standards to reduce configuration drift, support cost optimization, and maintain operational consistency
Configures, maintains, and secures network infrastructure, including firewalls, switches, wireless access points, and VPN connectivity for remote offices and hybrid users
Monitors network performance and availability, performs root‑cause analysis, and resolves issues to support high uptime and reliability

What we offer

Competitive salary, with incentivized earning potential
401(k) matching plan
Medical/Dental/Vision Plan
Paid time off and standard Winter Break company closure
Regular Company Social Events
Hybrid Work Schedule

Fulltime

Sr. Systems Administrator – Storage & Backup

Sr. Systems Administrator – Storage & Backup Long Term Contract Hybrid Onsite B...

Location

United States , Boston

Salary:

Not provided

Tier4 Group

Expiration Date

Until further notice

Requirements

BS or equivalent plus ten years related experience, or MS plus seven years related experience
Demonstrated hands on experience performing administration, troubleshooting, patching, and support of VMware virtual infrastructures, storage and backup environments and Windows AD
Experience and in-depth understanding of Active Directory, DNS and other Windows core services
Experience managing private cloud environments as well as developing highly available virtualized environments including defining monitoring standards, operational procedures and growth plans required
Experience with EMC Unity and NetApp storage arrays
Knowledge and experience with HPE ProLiant servers
Proven experience designing and implementing an enterprise-wide virtual infrastructure using ESXi v8/v9
Demonstrated experience working with vendors and end users on system troubleshooting
Ability to automate processes through the effective application of scripts (PowerShell, Pearl, VBS)
Ability to handle multiple tasks while prioritizing and delivering results on time

Job Responsibility

Manage on prem storage and backup systems. Currently Dell/EMC Unity storage arrays and a combination of Dell IDPA and Rubrik backup systems
Report daily on overnight backup operations
Conduct test restores of all data types on a monthly basis
Optimize our SAN storage solution for our VMware environment
Monitor the health and analyze performance of the storage environment. Maintain patch levels and keep firmware updated to ensure optimum performance
Monitor the health and analyze performance of the backup environment. Maintain patch levels and keep firmware updated to ensure optimum performance
Make recommendations and implement changes to improve the overall performance of storage, backup and virtualization environments
Monitor both backup and storage replication jobs to ensure successful completion
Review replication strategies as a whole and make recommendations to support and improve our established and growing DR processes
Create and document procedures regarding storage and backup standards within the organization

IT PACS Systems Administrator Sr

The PACS Administrator job family orchestrates a complex set of functions to ach...

Location

United States , Tacoma

Salary:

44.18 - 65.71 USD / Hour

American Nursing Care

Expiration Date

Until further notice

Requirements

Bachelors Other or equivalent job experience in Medical Imaging related field, computer science, Health Informatics, clinical imaging technology, upon hire
7+ years of experience in PACS Administration including hands-on involvement in system implementation and optimization
In-depth knowledge of data security regulations and compliance standards in healthcare
Must live within one hour of one of the facilities that the employee supports

Job Responsibility

Oversee the complete administration of Picture Archiving and Communication System (PACS)and related medical imaging applications infrastructure
Lead the implementation, configuration, and maintenance of PACS and related medical imaging applications software and hardware components
Facilitates the resolution and documentation of major incidents and outages to our production environment
Collaborate closely with radiologists, physicians, and other healthcare professionals to ensure efficient use of the PACS system
Proactively monitor and optimize PACS performance, identifying and resolving issues to ensure uninterrupted access to medical imaging data
Provide advanced technical support and training to end-users, troubleshooting complex PACS-related problems
Implements process changes, collects data, and makes recommendations to expedite workflow
Monitors systems, interfaces, and integration pieces to include daily QC reports
Maintains an up-to-date understanding and working knowledge of the processes involved
Responds appropriately to requests and concerns from users or others affected by the systems

What we offer

medical, prescription drug, dental, vision plans, life insurance, paid time off, tuition reimbursement, retirement plan benefit(s) including, but not limited to, 401(k), 403(b), and other defined benefits offerings

Fulltime

IT PACS Sr Systems Administrator

As an IT PACS Sr. Systems Administrator, you will be a lead technical expert, re...

Location

United States , Chattanooga, Tennessee

Salary:

44.18 - 65.71 USD / Hour

American Nursing Care

Expiration Date

Until further notice

Requirements

This is a 100% on-site position
Bachelors Other or equivalent job experience in Medical Imaging related field, computer science, Health Informatics, clinical imaging technology
7+ years of experience in PACS Administration including hands-on involvement in system implementation and optimization
In-depth knowledge of data security regulations and compliance standards in healthcare

Job Responsibility

Oversee the complete administration of Picture Archiving and Communication System (PACS)and related medical imaging applications infrastructure
Lead the implementation, configuration, and maintenance of PACS and related medical imaging applications software and hardware components
Facilitates the resolution and documentation of major incidents and outages to our production environment
Collaborate closely with radiologists, physicians, and other healthcare professionals to ensure efficient use of the PACS system
Proactively monitor and optimize PACS performance, identifying and resolving issues to ensure uninterrupted access to medical imaging data
Provide advanced technical support and training to end-users, troubleshooting complex PACS-related problems

What we offer

medical, prescription drug, dental, vision plans, life insurance, paid time off, tuition reimbursement, retirement plan benefit(s) including, but not limited to, 401(k), 403(b), and other defined benefits offerings

Fulltime

IT PACS Sr Systems Administrator

As an IT PACS Sr. Systems Administrator, you will be a lead technical expert, re...

Location

United States , Lexington

Salary:

44.18 - 65.71 USD / Hour

American Nursing Care

Expiration Date

Until further notice

Requirements

Bachelors Other or equivalent job experience in Medical Imaging related field, computer science, Health Informatics, clinical imaging technology, upon hire
7+ years of experience in PACS Administration including hands-on involvement in system implementation and optimization
In-depth knowledge of data security regulations and compliance standards in healthcare

Job Responsibility

Oversee the complete administration of Picture Archiving and Communication System (PACS)and related medical imaging applications infrastructure
Lead the implementation, configuration, and maintenance of PACS and related medical imaging applications software and hardware components
Facilitates the resolution and documentation of major incidents and outages to our production environment
Collaborate closely with radiologists, physicians, and other healthcare professionals to ensure efficient use of the PACS system
Proactively monitor and optimize PACS performance, identifying and resolving issues to ensure uninterrupted access to medical imaging data
Provide advanced technical support and training to end-users, troubleshooting complex PACS-related problems

What we offer

medical, prescription drug, dental, vision plans, life insurance, paid time off (full-time benefit eligible team members may receive a minimum of 14 paid time off days, including holidays annually), tuition reimbursement, retirement plan benefit(s) including, but not limited to, 401(k), 403(b), and other defined benefits offerings

Fulltime

Sr Systems Engineer

We are looking for an experienced Sr Systems Engineer to support and enhance ent...

Location

United States , Villa Park

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

At least 7 years of experience in systems engineering, senior systems administration, or closely related infrastructure roles
Strong hands-on expertise with Microsoft technologies, including Microsoft 365, Azure, Active Directory, and Azure Active Directory
Practical scripting and automation experience using Python, Bash, or both
Demonstrated background in system hardening, vulnerability remediation, and infrastructure security troubleshooting
Ability to function as a technical lead and trusted escalation point for complex operational issues
Experience supporting cloud-based and hybrid infrastructure environments in enterprise settings
Working knowledge of Microsoft Windows Server, Microsoft Exchange, and Citrix technologies

Job Responsibility

Serve as the primary technical resource for diagnosing and resolving advanced infrastructure, platform, and systems-related issues
Lead the alignment and consolidation of acquired or distributed environments to promote consistency, security, and operational stability
Create and maintain automation tools and scripts using Python and/or Bash to streamline administration and reduce manual effort
Manage and improve Microsoft 365, Azure, and related identity services to ensure performance, availability, and effective access management
Direct infrastructure security efforts by applying hardening standards, addressing vulnerabilities, and improving overall risk posture
Work closely with application and technology teams to support secure integrations and dependable system connectivity
Enhance cloud design, backup and recovery capabilities, and data protection practices to strengthen resilience and integrity
Contribute to audit and regulatory readiness by supporting infrastructure controls tied to compliance programs
Partner on technology initiatives to deliver scalable, secure, and efficient infrastructure outcomes across the organization

What we offer

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

Aws Emr Sr. Administrator

We are seeking a highly skilled AWS Administrator to join our team. The ideal ca...

Location

China , Shanghai

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science, Information Technology, or a related field
Proven experience with AWS services, particularly EMR, EC2, S3, and IAM
Strong background in administering big data technologies like Hadoop, Spark, Hive, and Presto
Experience with Linux/Unix systems administration
Experience with AWS services including Glue, Redshift, Lambda, Step Functions, S3, Kafka, KMS, Secrets Manager, IAM
Strong understanding of AWS security best practices, including managing IAM roles, KMS, Secrets Manager, and encryption standards
Experience with serverless architectures using AWS Lambda and Step Functions
Familiarity with data processing, ETL pipelines, and real-time data streaming using AWS Glue and MSK (Kafka)
Experience with infrastructure-as-code tools such as Terraform is preferred
Strong knowledge of AWS networking concepts, security protocols, and best practices

Job Responsibility

Deploy, configure, and manage AWS EMR clusters, ensuring optimal performance and scalability
Install, configure, and maintain applications running on EMR clusters, such as Hadoop, Spark & Hive
Monitor cluster performance and resource utilization, implementing tuning strategies to optimize the performance and cost-efficiency of EMR clusters
Implement and manage backup and recovery processes for EMR data and configurations
Develop and maintain scripts for automating the deployment and management of EMR clusters and applications
Diagnose and resolve issues related to EMR clusters, applications, and data processing jobs
Work closely with data engineers, data scientists, and other stakeholders to support their big data processing needs
Administer and manage a variety of AWS services including AWS Glue, Amazon Redshift, AWS Lambda, Amazon S3, Amazon MSK (Kafka), KMS, and Secrets Manager to support data processing, storage, security, and compute needs
Implement AWS Step Functions to orchestrate workflows and integrate services like Lambda and Glue for end-to-end automation
Configure, manage, and optimize S3 buckets for efficient data storage, including setting up lifecycle policies and access controls

Fulltime

Select Country

Sr. Systems Administrator

Job Description

Job Responsibility

Requirements

What we offer

Looking for more opportunities?

Sr. Systems Administrator

Sr. Systems Administrator

Sr. Systems Administrator

Sr. Systems Administrator – Storage & Backup

IT PACS Systems Administrator Sr

IT PACS Sr Systems Administrator

IT PACS Sr Systems Administrator

Sr Systems Engineer

Aws Emr Sr. Administrator

Our AI answers in your language