Senior System Administrator — Cybersecurity & IT Operations
RealmOne
A leading science and technology company in Columbia, MD is seeking a System Administrator (Level 2) to provide critical support in IT systems management. The ideal candidate will have 10 years of experience, a Bachelor's degree in a technical field, and active security clearance. This role offers an exceptional benefits package including generous PTO and career development opportunities. Join us to contribute towards mission-critical cybersecurity efforts. #J-18808-Ljbffr RealmOne
- A cybersecurity and IT services provider in Columbia, Maryland is seeking a System Administrator Level 2 to support IT systems, including troubleshooting and maintenance. The ideal... ...skills in Linux, Unix, and Windows operating systems. TS/SCI clearance with Polygraph...OperationsSenior
- System Administrator (Mid-Senior Level) Full-Time | On-Site | TS/SCI with Full-Scope... ...bachelor’s degree to support operations in Annapolis Junction, MD.... ...operational support for IT systems, including monitoring... ...meeting federal cybersecurity requirements Active TS/SCI...OperationsSeniorFull timeImmediate start
- ...NHI) | Federal Highway Administration (FHWA) • State &... ...has an opening for a Senior Systems Administrator. This... ...infrastructure environments operating within a regulated... ...government, cybersecurity, and compliance requirements... ...Collaborate across IT, security, and business...OperationsSeniorFull timeTemporary workWork at officeLocal areaRemote workWorldwide
$98.1k - $228.6k
...shared values and dedicated to our customers’ mission. AT&T has an opening for a Senior System Administrator to support operations by maintaining, documenting, and administering enterprise IT systems. This role is the Senior System Administrator will deliver helpdesk and...OperationsSeniorTemporary workWork at officeLocal areaRelocation- Wyetech in Columbia, Maryland, is seeking an experienced IT System Administrator to support the implementation and maintenance of IT systems. This role involves troubleshooting, managing daily IT operations, and providing Help Desk support at both Tier I and Tier II levels...OperationsSeniorFlexible hours
- We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization... ..., automation, and enterprise operations. As part of a collaborative... ...software developers, cloud engineers, cybersecurity personnel, and infrastructure teams...OperationsSeniorFull time
- ...Description SITEC is seeking a Senior Systems Administrator to support lifecycle... ..., and high-performing IT systems across hybrid on-premises... ...will provide operational support, maintenance, troubleshooting... ...firm specializing in cybersecurity, software and systems engineering...OperationsSenior
$77.6k - $176k
...Department of Defense? We’re looking for a System Administrator to help us design, deploy, and... ...enterprise environment that supports critical cybersecurity mission customers.As a Linux System... ...polygraphBachelor’s degree in a CS or IT field and 5+ years of experience with...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- A leading cybersecurity firm is seeking a System Administrator in Maryland to manage enterprise IT systems and infrastructure. The ideal candidate must possess a Bachelor's degree in a technical discipline, a TS/SCI + Full Scope Polygraph clearance, and a minimum of 15...Senior
$225k - $255k
...customers. Description We are seeking a Senior System Administrator to provide support for implementation,... ...of Information Technology (IT) systems. Manages IT system infrastructure... ...support to IT systems including day-to-day operations, monitoring and problem resolution for...OperationsSeniorHourly payExtra incomeTemporary workImmediate startFlexible hours$77.6k - $176k
Job Number: R0232223 System Administrator, Senior The Opportunity Your technical expertise makes the team... ...environment that supports critical cybersecurity mission customers. As a Linux System... ...Bachelor's degree in a CS or IT field and 5+ years of experience with...SeniorLocal area$100k
...passionate about shaping secure, IT systems in classified environments?... ...are seeking a Linux System Administrator to join the RF Engineering... ...innovation, security, and operational excellence. This role... ...Collaborate with engineers, cybersecurity staff, and program managers...OperationsSeniorInterim role$7.5k
...supports an Enterprise IT contract with a team... ...Engineers, Information Systems Security Officers, Information... ..., integration, operations, maintenance and... ...experienced SQL Database Administrator (DBA) to support enterprise... ...supplies advanced cybersecurity, data science and software...OperationsContract workWork experience placementImmediate startFlexible hours- Job Summary The IT System Administrator - Windows is responsible for managing and maintaining day-to-day IT operations across both physical and virtual environments. This role oversees system availability, configuration, security, backup/restore, and software management...OperationsWork at office
- Overview Synergy ECP is a provider of cybersecurity, software and systems engineering and IT services to the U.S.... ...headquartered in Columbia, Maryland and operates as an equal opportunity employer... ...of experience as a Systems Administrator in programs and contracts of similar...Operations
- System Administrator Level 2 Provides support for implementation, troubleshooting... ...of Information Technology (IT) systems. Manages IT system... .... Supports day‑to‑day operations, monitoring, and problem... ...ECP is a leading provider of cybersecurity, software and systems engineering...OperationsContract work
$7.5k
...glad that you chose RealmOne. System Administrator (Level 2) Job Description... ...contract providing Cybersecurity Expertise and Risk Management... ...troubleshooting and maintenance of IT systems. Manage IT system... ...including day-to-day operations, monitoring and problem resolution...OperationsContract workWork experience placementImmediate startFlexible hours- ...career and customer-oriented Sr. Linux System Administrator to join our team in Laurel, MD. You will... ...and troubleshoot Linux and Windows operating systems. Installs/loads operating system... ...maintenance of Information Technology (IT) systems. Manage IT system infrastructure...OperationsSeniorWork at office
- Staffed4U is seeking a System Administrator - Level III in Columbia, MD, to support mission-critical operational environments. The role requires a minimum of 9 years experience, particularly in Linux systems administration, and an active TS/SCI security clearance. Responsibilities...OperationsSenior
$136k - $184.32k
...is to deliver agile, mission‑ready cybersecurity solutions that empower government and... ...uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever‑evolving... ...landscape. Position Overview Field Service IT Engineer Job Type: Full Time On‑site...OperationsFull timeTemporary workWork experience placementRemote workFlexible hours- ...seeking an experienced Information Technology Senior Consultant Level 5 in Columbia, MD. This... ...specialized guidance in automated IT solutions and managing complex projects.... ...tool development, technical support for operations, and addressing IT infrastructure needs....OperationsSenior
- Cencore Group is seeking a skilled IT System Administrator - Windows to oversee day-to-day IT operations across physical and virtual environments. You will ensure system availability, perform backups, manage patches, and oversee security measures in a DoD/federal contracting...OperationsSenior
- ...is seeking an experienced Escalation Engineer to manage server operating systems and cloud operations. This role requires expertise in advanced... .... The ideal candidate will have at least 5 years of hands-on IT support experience and strong technical skills. We prioritize...OperationsSenior
- ...Title: Senior IT Technical Analyst Location: Columbia... ..., IT communication systems, audio/visual technologies... ...ensure the reliable operation of the organization’s... ...with Windows, macOS administration. Understanding of... .... Knowledge of cybersecurity best practices,...OperationsSeniorFull timeContract workImmediate startRemote work
- ...located in Annapolis Junction, MD is looking for an experienced Systems Administrator. The role requires over 5 years of expertise in systems... ...bachelor’s degree. Responsibilities include troubleshooting IT systems, providing Tier 1 Help Desk support, and ensuring security...Senior
- A leading technology firm in Ellicott City, Maryland, seeks a System Administrator Level 3 to provide advanced IT support. You will ensure the system infrastructure's reliability and security while optimizing performance. Key responsibilities include troubleshooting complex...Senior
- System Administrator - Level III Location: Columbia, MD Employment Type: Full-time Experience Level: Senior (9+ years) Security Clearance: Active TS/SCI with polygraph required Position... ...supporting mission-critical operational environments. This role involves sustaining...OperationsSeniorFull timeContract workTemporary workWork at officeRelocationFlexible hours
$160k - $190k
...Job Description Job Description Job Description Senior System Administrator — HPC GPU Infrastructure Columbia, MD | Full Time | TS... ...responsible for sustaining and evolving a high-performance operational IT environment. This is not a ticket-only administrator...OperationsSeniorFull timeContract workFor contractorsWork at officeLocal areaRelocationFlexible hours- ...Polygraphs are required POSITION : Senior Systems Administrator LCAT : Systems Administrator,... ...unclassified locations: • Customized on-site IT support, maintenance and solutions... ...and solutions for Computer Network Operations, Cyber Security Directorate and other...OperationsSeniorRemote work
- eSimplicity in Columbia, Maryland, is seeking a Senior Proposal Writer/Editor to join our Proposal Operations team. This role involves writing and editing winning proposal... ...writing skills, and a Bachelor's degree in IT or a relevant field. This hybrid position requires...OperationsSeniorRemote job
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