IT SysAdmin
Marathon TS
TS/SCI Sr. Systems Administrator (Night Shift)Marathon TS is currently hiring for a TS/SCI Sr. Systems Administrator (Night Shift) in St. Louis/Arnold, MO.Position Summary:The Systems Administrator (Operations 24x7 Support) is responsible for delivering, supporting and providing first-level network and IT infrastructure event monitoring and event management in a 24 x 7 large-scale network, system, application, service and business activity network operations environment located both on premise and in the cloud. The Systems Administrator (Operations 24x7 Support) is also responsible for comparing and correlating events from multiple sources, maintaining accurate incident records, and initiating appropriate actions to avoid or minimize loss of IT services. Additionally, this role is responsible for establishing, managing and maintaining standards, monitoring, and security items related to infrastructure. This position involves the deployment and support of the tools the company uses to monitor the network, systems and applications. This position requires familiarity with the network architecture and with supported applications within the Data Center environment.Major Responsibilities and Duties:Infrastructure monitoring and validation of infrastructure componentsInfrastructure security monitoring, validation, and log review activities across all infrastructure elementsResponsible for server configurations, monitoring, and security of physical and virtual servers and related infrastructureResponsible for network configuration and compliance monitoring of cloud-based systemsProvide support and management of backup, disaster recovery, and related applicationsAccurately log, ticket, and own/escalate incidents resulting from infrastructure events.Provide accurate, timely, and professional documentation on all supported issues.Provide a high level of professionalism and customer service.Follow up on all incidents in a timely and professional manner.Quickly identify and escalate high-priority issues.Accurately triage/assign/escalate tickets per standard operating procedures.Efficiently and accurately, resolve all assigned incidents.Identify and document incident resolution and support knowledge.Complete all assigned duties in a timely and accurate manner.Adhere to the schedule and have dependable attendance.Maintain documentationInteracts with users on a daily basis to assist with functionality and provide situational awareness of ongoing issues.Maintains current knowledge of relevant technologies as assignedParticipates in special projects as requiredPosition Requirements of Knowledge & Skills:Technically competent in server administration (Windows/Linux)Knowledge of the principles, methods, and techniques used in server (virtual & physical), network, database, cloud services, storage system administration and support.Knowledge of related hardware and software i.e. Server (Physical/Virtual), Operations systems (Windows OS 2012/2016, Unix/Linux), Cisco, and Microsoft products.Knowledge of basic networking principles (routing, DNS, etc.) and/or system administration (perfmon, services, software installation, etc.) desired.Must be knowledgeable/capable of effectively using common network monitoring techniques and tools (i.e. BMC BEM/SIM/BPPM, Client NNM, CA eHealth, Splunk, Nagios etc. Splunk) and ITSM suites (ServiceNow, Remedy) desiredExcellent communication, customer service, time management, conflict resolution, and problem determination/resolution skills are a mustAbility to handle multiple complex tasks and prioritize in a fast-paced environmentAbility to adapt quickly to changes in priorityStrong analytical skills and ability to think critically that facilitate expedient problem solvingEducation & Work Experience:AA/AS Degree in Computer Science, MIS, or related field/equivalent experience preferredRelevant technical certifications preferred (A+, Network+, Server Administration, etc.)Security + (REQUIRED)Familiar with ITIL (certification preferred)Location: St. Louis, MOUS Citizenship RequiredMarathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").
$92.3k - $166.85k
...Description Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting-edge Agile software development program, Chinook, for an Intelligence Community...SuggestedContract workLocal areaImmediate startShift workDay shiftAfternoon shift$92.3k - $166.85k
...Description Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting-edge Agile software development program, Chinook, for an Intelligence Community...SuggestedContract workLocal areaImmediate startShift workDay shiftAfternoon shift- ...think. We act. We deliver. There is no challenge we can't turn into opportunity. And our work depends on TS/SCI level cleared Sr Systems Engineer joining our team to support our Intelligence customer in Springfield, VA or Arnold, MO. The engineering team is looking...SuggestedImmediate start
$80k - $90k
...Job Description Job Description IT SYSTEMS ADMINISTATOR | We are currently seeking an IT Systems Administrator in our St. Louis, MO office (I-44/Rte. 141 Fenton area). This position offers the opportunity for career growth, excellent benefits, and a flexible work...SuggestedFull timeTemporary workCasual workWork at officeLocal areaRemote workFlexible hours- ...Job Description Job Description Position Title: IT Systems Administrator Department: Information Technology Location: Fenton, MO Reports To: IT Director Classification: Salary -Exempt Position Summary: Control Devices is seeking an experienced...SuggestedCasual workWork at officeLocal areaRemote work
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- ...Generator) design, construction, equipment supply and solutions in the power industry, worldwide. Nooter/Eriksen is seeking a C&T/Systems Engineer to join the Thermal Design Team in Fenton, MO. This role is part of a team that is responsible for providing operational...Contract workTemporary workWork at officeWorldwideFlexible hours
- ...think. We act. We deliver. There is no challenge we can't turn into opportunity. And our work depends on TS/SCI level cleared Sr Systems Engineer joining our team to support our Intelligence customer in Springfield, VA or Arnold, MO. The engineering team is looking...Immediate start
$90.3k - $189.6k
...center.• Design, implement Manage security solutions using F5, Juniper SRX, and Palo Alto for project-based requirements.• Ensure systems, devices, and application under your responsibility and span of control meet applicable STIG/SRG and organizational configuration baselines...Contract workWork experience placementWork at officeFlexible hoursWeekend workAfternoon shift- ...Additionally, the position will require an individual experienced in system design and integration, identity life-cycle management, and... ..., the VDI Engineer will provide TIER 3/4 support to system administrators in order to resolve VDI issues. Provide guidance on...Immediate start
- ...Schedule: Full-time | Guaranteed 80 hours per pay period/flexible and changing schedule Join United Medical Systems (UMS) , a recognized leader in mobile medical services. Become an essential part of our specialized team supporting urologists across...Full timeFlexible hoursNight shift
- Job ID: 115178 The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world.Company OverviewDRS Marlo Coil manufactures durable...Local areaFlexible hours
$790 per week
Already working and need a second income? This fits around the job you already have — evenings, weekends, whenever you have an hour. Focus Group Panel connects everyday people with paid market research: remote focus groups, product tests, and online surveys from brands...Full timeRemote workWeekend workAfternoon shift$69k
Remote Insurance Sales Representative | Flexible Schedule | Commission-Based This position offers flexible work hours and clear paths for advancement into leadership and management. You will work remotely, serving clients by providing guidance and protection solutions...Remote workWork from homeFlexible hours$17 per hour
Join a world-class team in Arnold, MO, as a Customer Service Representative! At Concentrix, we’re looking for passionate game-changers to deliver exceptional customer experiences and solutions for one of the world’s best-known brands. If you're ready to grow with a Fortune...Minimum wageWork at officeImmediate start- ...across retail and corporate environments—both on-site and remotely Collaborate with internal IT teams and external partners to ensure system uptime, security, and performance Recommend and implement process improvements that enhance system efficiency and resiliency Manage...Work at officeLocal areaRemote workWeekend workAfternoon shift
- HARDY INDUSTRIES in Missouri is seeking skilled technicians who want to go beyond the average tech job. This hands-on role involves a variety of tasks including OS installations, structured cabling, and telecom work. Candidates should have at least 1 year of I.T. or Telecom...Hourly payFlexible hours
- ...support our growing national client base. This role goes far beyond basic helpdesk tasks – one day you might be installing an operating system, the next you might be drilling through walls and running structured cabling across entire buildings, or terminating a 66‑block....Hourly payFor contractorsImmediate startFlexible hours
$150k - $170k
Job ID: 519752Location: Oakville, Ontario, CanadaCompany: Siemens Sales Specialist, Engineered Drives Systems Job ID 519752 Posted since 27-Aug-2026 Organization Digital Industries Field of work Sales Company Siemens Canada Limited Experience...Permanent employmentFull timeWork at officeLocal areaRemote workFlexible hours- Customer Service Representative We want you to join our team as a Customer Service Representative. If you have the desire to be challenged, work in a fast-paced, fun environment and to grow your career - look no further. As a Customer Service Representative, you will enjoy...Weekly payFull timeTemporary workPart timeLocal areaFlexible hoursShift work
$790 per week
Searching for a customer service job? Before you apply — this pays you to share your opinion, not answer phones. No customer service experience needed. Focus Group Panel is real market research — actual companies paying for honest feedback on their products and services...Full timePart timeRemote work$22 per hour
...procedures, guidance, and instructions, including and especially those related to safety. Other Functions Perform various administrative tasks, for example making bank deposits, picking up or delivering supplies from other stores or retailers. Perform various...Local areaFlexible hoursShift workAfternoon shift- ...federal regulations, assists the pharmacist, under direct supervision, in the practice of pharmacy. Responsible for using pharmacy systems to obtain patient and drug information and process prescriptions. Customer Experience Engages customers and patients by greeting...Work experience placementSeasonal workLocal areaImmediate startFlexible hoursShift workAfternoon shift
- Customer Service Associate We're seeking a Customer Service Associate to join our team and deliver a great shopping experience for every customer. Duties include, but are not limited to, the following: Assist customers with questions and recommendations Manage...Contract workPart timeLocal area
- ...cash drawers and accounting activities, including but not limited to balancing and preparing deposits accurately. Execute office administrative activities, including checking branch mail, filing, purchasing office supplies, etc. Process loan applications and collect...Full timeWork at officeMonday to Friday
$16 - $19 per hour
Walgreens is seeking Customer Service Associates to assist customers, operate cash registers, and support daily retail store operations. Customer Service Associates are responsible for greeting customers, operating the register, processing cash and card payments, assisting...Hourly payFull timePart timeShift workNight shiftWeekend work- Circle K - 1060 Imperial Main Street - Responsibilities: Greet customers and operate the register; Cashier and upsell purchase suggestions; Assist with in-store food program when applicable; Maintain store appearance and cleanliness; Provide fast, friendly customer service...
- ...lives. We celebrate our associates. Provides clerical and administrative assistance supporting funeral operations. Other general duties... ...answering phones and operating fax machine, computer, multiline phone system, debit card machine, typewriter, postage meter and scale and...Part time
- Are you a compassionate and organized individual looking to make a meaningful impact on the lives of others? Then look no further! We’re seeking a dedicated Funeral Services Assistant to join our team at SCI! About this position: As a Funeral Services Assistant on...Part timeImmediate startFlexible hours
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