Senior IT Systems Administrator Jobs in Baltimore, MD

Refine Results
181 - 200 of 888 Jobs

IT Infrastructure Technician AA

Washington Metroplitan Area Transit Authority

Greenbelt, Maryland, USA

Full-time

Minimum Qualifications : Graduation from high school or high school equivalent with a minimum of 10 consecutive years of in-depth, verifiable technical experience in the networking and telecommunications industry performing site surveys, developing job plans, and implementing structured cable infrastructure systems. Or Graduation from high school or high school equivalent with a minimum of 8 consecutive years of in-depth, verifiable technical experience in the networking and telecommunication

Systems Engineer - 100% onsite

Calance

Baltimore, Maryland, USA

Contract

General Summary: The Sr. Systems Engineer will provide technical leadership, project management, and task execution for administration, programming, maintenance, and performance implementation of departmental platforms. This includes the installation of new software, operating systems, related utilities/services, and hardware products, as well as the integration of new products and software into the organization. The role requires knowledge of compute, storage, patching and backup technologies

25B Information Technology Specialist

Army National Guard

Laurel, Maryland, USA

Full-time

Job Description If you've ever considered a job in IT, become an Information Technology Specialist in the Army National Guard and expand your skills and experience with complex technologies. In this role, you will be responsible for sending, receiving, and processing messages and data on the Guard's sophisticated networks. You will also maintain and troubleshoot the systems that support the military's logistics and classified data, and build firewalls that can withstand any attempted cyberattack

Computer Network Defense Analyst

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is FOCUSED on you! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute this new miss

Senior Cyber Engineer

Apex Systems

Baltimore, Maryland, USA

Full-time

Job#: 2073402 Job Description: Senior Cyber Engineer Salary: $130,000 per year Hybrid in Baltimore, MD 3-4 days a week onsite, the first 1-2 months will be fully onsite 6-month contract-to-hire Job Description: We are seeking a highly experienced Senior Cyber Engineer with 5-10 years of relevant experience to join our team. The ideal candidate will have a strong background in SIEM tools, firewall management, networking, and endpoint security. This role involves working with both on-premises

System Administrator, Journeyman

SilverEdge

Maryland, USA

Full-time

Overview Silveredge Governmet Solutions is seeking a System Administrator to assist with basic configuration, monitoring, troubleshooting, analysis and repair of Desktop and Server systems, Disaster Recovery Systems switches, networks, video systems. Participates in the design, installation and administration of local systems using multiple protocols and various computer systems. Writes detailed/techical problem reports, assists with root cause analysis and recommendations for configuration and

Mid-Level Network Administrator

Leidos

Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a Mid-Level Network Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Works with limited supervision to perform configuration of assets to include switches, load balancers, routers, and FirewallsPerform routine maintenance, troubleshooting, updates

IT Security Specialist

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

IT Security Specialist LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal ca

Mid Level Linux Administrator

Jacobs

Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Mid Level Linux Administrator to join our team of passionate individuals in Hanover, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Your Impact: Our contract supports more than 12 efforts with varying levels of hardware and software development requirements. O

ServiceNow Developer

SAIC

Adelphi, Maryland, USA

Full-time

Job ID: 2507352 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Software Subcategory: SW Systems Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven ServiceNow Developer to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Enterprise IT servi

SE1 / ISSO

CCS Global Tech

Maryland, USA

Full-time

CCS Global Tech is a rapidly growing Information Technology company with a diverse portfolio of technology products and services and a large network of industry partnerships. With over 22 years of being a successful business with a global talent pool and presence, CCS is a certified Microsoft Gold Partner and specializes in delivering expert Microsoft based solutions for technical and business needs. We have been recognized by Inc. 500 Magazine as one of the fastest growing small companies in th

Sr.IT Service Management Specialist

V-Work Infotech Solutions INC

Remote

Contract

Job Title: Sr.IT Service Management Specialist Location: Remote Position Description: Maintain the health, performance, and reliability of the ServiceNow platform. Configure and customize ServiceNow applications, including workflows, forms, business rules, and reporting capabilities to meet operational requirements. Manage user roles, permissions, and access control in alignment with security policies and organizational standards. Provide technical support and issue resolution, ensuring minimal

Network and AV Cabling Support

SAIC

Adelphi, Maryland, USA

Full-time

Job ID: 2507149 Location: ADELPHI, MD, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Audio Visual Tech Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Network and AV Cabling Support Specialist to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of E

Network and AV Cabling Support

SAIC

Aberdeen, Maryland, USA

Full-time

Job ID: 2507157 Location: ABERDEEN, MD, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Audio Visual Tech Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Network and AV Cabling Support Specialist to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of

Windows Server Administrator

Booz Allen Hamilton

Maryland, USA

Full-time

Job Number: R0220470 Windows Server Administrator The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big picture thi nk ing to make an impact in Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into te chn ical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows Syste

Hardware Engineer

ManTech

Baltimore, Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Hardware Engineer to join our team in Ft. Meade, MD. This is a full time position with 5 days being onsite. This position is part of a team that provides engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh, reengineer, and secure the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure. Responsibilities include but are not limited to: Analyzing hardw

IT Support Specialist (TS/SCI w Poly)

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Help Desk Job Qualifications: Skills: Computer Hardware, Information Technology (IT), Remote Access, Remote Support, Troubleshooting Certifications: None Experience: 0 + years of related experience ship Required: Yes Job Description: Help Desk Technician Transform technology into o

HPC Linux Admin

Apex Systems

Fort Meade, Maryland, USA

Full-time

Job#: 2066052 Job Description: Apex Systems is seeking a passionate and skilled Linux Systems Administrator to provide system management, daily monitoring and optimization. In this role, you will provide technical leadership and execution, and be supporting HPE's mission-critical customers, providing pre-installation configuration, on-site integration, administration, and customer enablement of HPE's computing solution. TS/SCI with Poly clearance REQUIRED ship is required Location: Onsite Ann

Network Administrator

Maximus, Inc.

Maryland, USA

Full-time

Description & Requirements Maximus is seeking a Network Administrator to provide expertise to a federal client in support of their mission-critical systems in defense of our Homeland. As a Network Admin, you will implement and maintain our organization's network infrastructure. Your role will involve overseeing network administration, troubleshooting complex issues, and ensuring the performance, availability, and security of our network systems. This position is an on-site role, 5 days a week, a

Database Engineer Skill Level 3

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Database Analysis/Design Job Qualifications: Skills: Database Management, Database Structures, Databasing, Design, Software Repository Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Database Analyst Senior Job Description Data