Senior Systems Administrator
Canvas, Inc.
Key Responsibilities Provide expert level system administration support for classified test area computing environments, including Linux/Real Time Linux systems, engineering workstations, test area servers, clusters, and network attached devices supporting RDT&E activities. Maintain and secure all standalone IM/IT systems by managing performance upgrades, security patches, backups, account administration, access control, and system documentation; act as technical point of contact for vendor hardware/software support. Support specialized simulation environments and real time systems, ensuring reliable operation of test area computers, data storage systems, networking components, and systems used for HITL and multispectral test operations. Provide technical support for system integration, network implementation, application development, VTC/meeting support, ITE asset management, disaster recovery planning, configuration control, and IM/IT help desk operations. Support development, implementation, and maintenance of RDT&E enclaves including patches, configuration baselines, DREN connectivity, AP systems maintenance, corporate/individual backups, and security audit log generation aligned with required accreditation frameworks. Required Qualifications More than 10 years of relevant experience in systems administration, Linux engineering, IM/IT support, or secure system operations within classified DoD environments. Demonstrated ability to independently perform all mission critical duties and oversee or guide junior technical personnel when required. Expert proficiency with Linux based system administration, real time computing environments, system integration, patching, troubleshooting, and configuration management. Strong familiarity with classified system cybersecurity requirements, audit log generation, RMF, JSIG compliance, security patching workflows, access control management, and enclave configuration. Experience supporting specialized RDT&E systems, simulation platforms, test area servers, engineering workstations, and distributed laboratory networks. Education & Certification Master’s degree in an information technology, cybersecurity, systems engineering, or related discipline required. DoD 8570/8140 certifications strongly preferred (e.g., CISSP, Linux+; other IAM/IAT level certifications applicable to TS/SCI environments). Clearance Requirement Active TS/SCI clearance. U.S. citizenship required. Canvas was founded by Jami Peyton in 2007 to deliver real-world engineering and technology solutions that strengthen national defense. Since then, we’ve been guided by technical excellence, operational insight, and a shared commitment to the warfighter. Teamwork drives everything we do, enabling close collaboration across programs, customers, and colleagues to solve complex challenges. Our work supports key national security priorities like missile defense, test and evaluation, digital transformation, and warfighter readiness. As an award-winning company built on integrity, agility, and innovation, Canvas continues to grow and deliver mission-critical solutions that support the future of national defense. #J-18808-Ljbffr Canvas, Inc.
- Los Angeles Department of Water and Power is seeking a Systems Administrator to evaluate, develop, maintain and optimize operating systems, hardware, middleware, software, storage, and networking across business applications. You will implement ITIL processes and security...Senior
- ...person mixed Contractor/Civilian SA team supporting 3rd party systems. All supported systems are Linux hard boxes or VM’s. You will... ..., share drives and home directories. Required Skills LINUX Administration. Solid experience with STE/STN, DISA STIG compliance work on...SeniorFor contractors
- Northrop Grumman Corp. (JP) is seeking a Sr Principal Systems Administrator at Ellsworth AFB, SD, to join a high‑demand IT team supporting flight operations. The role requires directing real-time, multi-user ground systems, ensuring STIG compliance, and performing field...Senior
- The Company is looking for a Senior System Administrator to provide support to CBL Battle Lab Facility located at Fort Gordon, GA. All work will be performed onsite. This contract will support the CBL’s mission is to provide experimentation support to the C- CDID with a...SeniorContract workRemote work
- Senior Systems Administrator Job Location: Remote (only able to consider U.S. based candidates) Travel Expectations: 0% Job Classification: Temporary (W2T), Contractor (1099) Join Centric Consulting - A Culture You’ll Love At Centric Consulting, we've cultivated a unique...SeniorFull timeTemporary workFor contractorsLocal areaRemote workFlexible hours
- ...will be based in Charlotte, NC. Reporting This position will report to the Manager, Core Systems. Summary of Role We are seeking a highly capable Senior Systems Administrator to lead the administration, optimization, and evolution of our Core Systems ecosystem. This...SeniorLocal area
$96.56k - $128.58k
The Senior Systems Administrator is a senior-level, hands-on infrastructure role responsible for the administration, reliability, security, and ongoing improvement of G&W Electric's enterprise server and infrastructure environment. The role combines advanced technical...SeniorTemporary workLocal areaWorldwide- Overview JOB TITLE: Senior Systems Administrator AGENCY SUPPORTED: U.S. Department of Justice (DOJ) - MEGA 6 Automated Litigation Support POSITION TYPE: Full-Time, Contingent Upon Award LOCATION: Remote CLEARANCE: Public Trust - Candidates do not need to be cleared...SeniorFull timeContract workFor contractorsWork at officeRemote workWork from homeHome officeFlexible hours
$82.5k - $131k
Overview Performs administration of cloud and on-site technologies and provides end-to-end solutions for IT Systems. Creates and configures virtual and physical machines in a multi-platform environment. Monitors system performance and addresses any issues through an effective...SeniorWork at officeLocal areaRemote workMonday to Friday- Job Details (job location): Blue Ops - Valdosta, GA 31601 Role Summary The Senior Systems Administrator will own the reliability, security, and performance of critical IT infrastructure across Microsoft 365, cloud, on-premises, endpoint, identity, and collaboration platforms...SeniorPermanent employmentWork at officeLocal area
$105.8k - $158.6k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...Grumman Aeronautics Sector is seeking a Sr Principal Systems Administrator to join our team of qualified individuals located at Ellsworth...SeniorWork at officeLocal areaRemote workRelocation packageFlexible hoursShift workWeekend work- VISUAL SOFT, INC is seeking a Senior System Administrator - Linux in Winchester, VA for an on-site role. The position requires TOP SECRET clearance and a Bachelor's degree with 8+ years of experience. Responsibilities include installing and maintaining Linux servers and...Senior
- Position Summary Buchanan Technologies is seeking a Senior Linux Administrator for a long-term, onsite contract-to-hire opportunity in the Dallas... ...environment and will be responsible for maintaining Linux operating system images, managing patching activities, supporting production...SeniorLong term contractLocal areaRemote work
$80k - $100k
...Join Vultr Vultr is seeking a highly skilled and experienced Senior Linux Administrator to handle challenging issues and support our ever-expanding... .... Key Responsibilities Mentor and train Junior System Administrators and System Administrators to develop technical...SeniorWork at officeImmediate startRemote workFlexible hours$120k - $180k
...please visit Role Overview CHAOS Industries is hiring a Network Administrator to own the design, implementation, and day-to-day operation of... ...sit within the IT/Infrastructure Division, embedded alongside systems engineers, cybersecurity analysts, and program teams,...SeniorWork experience placementCasual workRelocation package$85k - $115k
...experience US Citizenship Required: Yes Job Description: NETWORK ADMINISTRATOR SENIOR Advance how our customers operate while you advance your... ...efforts. Maintain and secure boundary protection systems in accordance with DoW and Army cybersecurity standards. Collaborate...SeniorFull timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours1 day per week- Level Up, LLC, a Virginia-based subsidiary of AVIAN, maintains and improves the Sponsor’s Linux software and hardware environment. You will oversee OS software, ensure integration with hardware and applications, and manage server lifecycles across the organization. The ...Senior
$115k - $125k
...Systems Administrator Location: HQ - Williamsburg, Brooklyn Status: Full-time/100% on-site Compensation: $115,000-$125,000 annually Position Summary: The Systems Administrator to manage and support our technology infrastructure for 200+ users across a hybrid...Full timeSeasonal work$86.8k - $165.2k
...creating a safer, more secure world. Join us and help shape the future of aerospace and defense. What You Will Do: Provide IT systems administration in a heterogeneous RedHatEnterprise/Microsoft Windows and environment. Image and configure new IT assets for deployment to...Full timeTemporary workWork experience placementFlexible hours- ...Citi is seeking a visionary Senior Principal Platform & AI Architect to lead the design, development, and security of next-generation cloud platforms, enterprise API ecosystems, and AI-driven solutions. The role is hands-on, defining enterprise strategies while contributing...Senior
- ...Citi in Jersey City, NJ seeks a visionary Senior Principal Platform & AI Architect with 10+ years of experience to lead design, development, and security of cloud platforms, enterprise API ecosystems, and AI-driven solutions. The role combines hands-on coding with...Senior
- ...JPMorgan Chase & Co. in Jersey City is seeking a Senior Principal Architect to shape our target state architecture and strategy within Global Technology Enterprise Architecture. You will influence across teams to implement complex global solutions giving the firm a...Senior
- ...JPMorgan Chase & Co. is seeking a Senior Principal Architect to own target-state architectures for data platforms spanning Reference Data, KYC, and trade data. You will drive modernization, governance, and AI adoption across a firmwide portfolio and interact with senior...Senior
- ...Uline Drive, Pleasant Prairie, WI 53158 Are you a ServiceNow expert who enjoys optimizing systems and solving technical challenges? Join Uline as a ServiceNow System Administrator and help manage, enhance and support our ServiceNow platform, ensuring reliable and efficient...
- ...Birmingham, AL 35209Position Type: Full Time A dedicated senior Database Administrator who serves as the organization’s database expert, owning the... ...Knowledge of Agile Methodologies Experience estimating AWS pricing and system costs #J-18808-Ljbffr AutoTec LLCSeniorFull timeShift work
- ...Citigroup Inc. in Jersey City, NJ, seeks a Senior Principal Platform & AI Architect with 10+ years of hands-on cloud, API, and AI experience to lead design, development, and security of next-generation cloud platforms and enterprise APIs. You will work hands-on in...Senior
- DYOPATH is seeking a Desktop Support Analyst II to troubleshoot hardware, software, and account issues for end users. You will handle higher‑level escalations, mentor junior team members, and drive improvements in documentation and processes across the client environment...SeniorDay shift
- ...is a recognized, award‑winning leader in supply chain AI and a FedRAMP authorized provider to the federal government. Senior Database Administrator Exiger is seeking a motivated, self‑driven Senior Database Administrator who designs, builds and optimizes database, works...SeniorWork at officeWork from homeFlexible hours
$61k - $101k
...Linux engineering expertise, including administration, internals, performance tuning, and benchmarking... ...delivering low-latency, high-throughput systems. We need practical experience with... ...and influence SREs, peer engineers, and senior stakeholders across business, product,...SeniorFull time$60k
...forward; to innovate and advance all aspects of our business to improve the health and safety of our communities and lives. Systems Administrator I Compensation: $60,000 per year Hours: Monday through Friday, 8:30 AM - 5:00 PM Summary Responsible for providing technical...Full timeWork at officeLocal areaImmediate startMonday to FridayFlexible hoursShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!
- remote systems administrator Brooklyn, NY
- computer systems administrator Brooklyn, NY
- IT administrator Brooklyn, NY
- system admin Brooklyn, NY
- microsoft systems administrator Brooklyn, NY
- application system administrator Brooklyn, NY
- office 365 and sharepoint system administrator Brooklyn, NY
- IT infrastructure administrator Brooklyn, NY
- server administrator Brooklyn, NY
- systems administrator Brooklyn, NY


