Senior Systems Administrator Jobs in Philadephia, PA

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Senior Systems Administrator (Microsoft O365 Suite)

Next Gen IT Inc

•

Remote

Contract

Senior Systems Administrator (Microsoft O365 Suite) Fully Remote KEY: - Integrate and migrate systems including Slack, Microsoft 365 (O365), InTun We are seeking an experienced Sr. Systems Administrator to lead the integration of acquired companies' backend systems into our existing infrastructure. These roles are critical to ensuring seamless transitions and maintaining operational continuity across platforms such as Slack, Microsoft 365, Jira/Confluence, and more. Ability to lead integration
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Posted 23 hours ago

Sr. Systems Administrator (Microsoft O365 Suite)

Kforce Technology Staffing

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Remote or Portsmouth, New Hampshire, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Systems Administrator (Microsoft O365 Suite) in Portsmouth, NH. Summary: The client is seeking an experienced Senior Systems Administrator to lead the integration of acquired companies' backend systems into our existing infrastructure. These roles are critical to ensuring seamless transitions and maintaining operational continuity across platforms such as Slack, Microsoft 365, Jira/Confluence, and more. Key Responsibilities: * Lead
Posted 2 days ago | Updated 1 hour ago

Senior Systems Administrator (Linux/Windows)

GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec
Posted 16 days ago | Updated 8 hours ago

G2 Senior Systems Administrator | Active Top Secret clearance

General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft Windows Server, System Administration, Virtual Environments Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in
Posted 12 days ago | Updated moments ago

G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearance

General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Directory Services, System Administration, Technical Support Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into an opportunity as a Directory Services Engineer / Senior Systems Administrator
Posted 12 days ago | Updated moments ago

Senior HPE Non Stop Systems Administrator Real Time Dispatching Infrastructure

Randstad Digital

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Philadelphia, Pennsylvania, USA

Contract

job summary: The Senior HPE NonStop Systems Administrator plays a mission-critical role in supporting and maintaining high-availability HPE NonStop (Tandem) platforms that underpin Amtrak's real-time train dispatching systems. Based in Philadelphia, this position ensures 24/7 system uptime, performance optimization, and operational continuity for essential transportation infrastructure. The administrator will lead efforts in system monitoring, patching, disaster recovery, performance tuning, an
Posted 1 day ago | Updated 2 hours ago

Senior HPE Non-Stop Systems Administrator

TechClub Inc.

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Philadelphia, Pennsylvania, USA

Contract

The Senior HPE NonStop Systems Administrator plays a mission-critical role in supporting and maintaining high-availability HPE NonStop (Tandem) platforms that underpin Amtrak s real-time train dispatching systems. Based in Philadelphia, this position ensures 24/7 system uptime, performance optimization, and operational continuity for essential transportation infrastructure. The administrator will lead efforts in system monitoring, patching, disaster recovery, performance tuning, and security com
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Posted 2 days ago

Linux Systems Engineer -Sr. Member Engineering Staff

Lockheed Martin Corporation

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Moorestown, New Jersey, USA

Full-time

Job Description WHAT WE'RE DOING "We are leveraging emerging, digitally-enabled capabilities to lower cost, speed up development time and create original solutions to best serve our customers and stakeholders. We're bringing the 4th Industrial Revolution to every role in the company. Are you ready to invent the future? Lockheed Martin Rotary & Mission Systems is on a journey of digital transformation as we utilize our data, modernize our processes and advance technology to advance our position
Posted 30 days ago | Updated 11 hours ago

Senior Network/Systems Administrator

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be located in Sterling, VA and will be a fully remote position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting
Posted 60+ days ago | Updated 8 hours ago

Sr. ERP and CRM Systems Administrator

Eclaro

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Remote

Contract

ECLARO is a company that delivers talent. We provide fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including: Consulting, Professional Hire, Global Integrated Delivery and Managed Services. Kindly email with a Word resume along with the position ID number, your hourly rate and availability. This is Homer Ballega. I am a Recruiter with ECLARO. We are first tier suppliers of technical services to several Fortune 5
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Posted 39 days ago | Updated 17 days ago

G2 SharePoint Systems Administrator | Active Top Secret clearance

General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft SharePoint Administration, SharePoint Management, System Administration Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint / Systems Administrator with
Posted 12 days ago | Updated moments ago

Mid-Level C-17 Remote Sites Systems Administrator

Boeing Company

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Washington, USA

Full-time

Mid-Level C-17 Remote Sites Systems Administrator Company: The Boeing Company The Boeing Company's Specialized United States (U.S.) Infrastructure Operations organization is currently seeking a Mid-Level C-17 Remote Sites Systems Administrator to join the team in Joint Base Lewis-McChord, WA. This position will require the individual to support users at remote U.S. Air Force locations and work with virtual teammates across multiple time zones. The selected candidate will perform a multi-discip
Posted 10 days ago | Updated 11 hours ago

Lead Systems Admin (DataDog Admin)

Dexian DISYS

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Remote

Contract, Third Party

Position: Lead Systems Admin Location: 100% Remote Job Type: 9 Months Contract (Long-term role with extensions) Hiring Manager Notes: Straight contract role.. Preference for someone local who can go to the office when needed but open to those who are not local as long as they can support EST hours. Using Datadog as primary tool and BigPanda (nice to have) for centralized Event Mgmt. First initiative: Datadog is in GovCloud now and plans to move to commercial Cloud within Datadog. Second init
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Posted 23 days ago | Updated 4 hours ago

Systems Sr Administrator

Unisys

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Remote

Contract

CompuGain is an Information Technology and Business Consulting firm providing project-based solutions, software solutions and professional staffing services. -"Those authorized to work in the United States are encouraged to apply. We are unable to sponsor currently. Position: Systems Sr Administrator Location: Remote Length: Long Term Key Responsibilities Responsible for supporting the functionality and efficiency of one or more operating systems.* Lead teams in the delivery of second and/or th
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Posted 60+ days ago | Updated moments ago

IT Systems Engineer

Virginia Jobs

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Remote or Charlottesville, Virginia, USA

Full-time

Are you a solutions-driven IT professional with a passion for creating seamless, reliable, and innovative computing experiences? The University of Virginia's Information Technology Services (ITS) seeks an experienced systems administrator for a position in our Storage, Backup, and Archive team. Commensurate with the candidate's experience, the role will be filled at the respective level that best matches the candidate's qualifications. In this role, you will support, maintain, and automate a va
Posted 60+ days ago | Updated moments ago

ITSM Systems Admin - Lead Consultant

Allstate Insurance Company

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North Carolina, USA

Full-time

National General is a part of The Allstate Corporation, which means we have the same innovative drive that keeps us a step ahead of our customers' evolving needs. We offer home, auto and accident and health insurance, as well as other specialty niche insurance products, through a large network of independent insurance agents, as well as directly to consumers. Job Description We are seeking a skilled and experienced Ivanti ITSM System Administrator with expertise in ServiceNow to join our IT team