Principal Systems Administrator
Envision Innovative Solutions
Riverstone Enterprise Solutions, an Envision Innovative Solutions Company, delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs by building high-performing engineering teams and developing innovative enterprise solutions. Our engineers work in a collaborative, zero-bureaucracy environment where expertise is valued, ideas are heard, and contributions directly drive mission success. Your adventure begins now—unleash your potential at Riverstone, we combine the agility of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Systems Administrator Level 3 to join our team in Aurora, CO . Primary Responsibilities Provide support for implementation, troubleshooting, and maintenance of IT systems Provide support to IT systems including day‑to‑day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices Manage the daily activities of configuration and operation of IT systems Provide assistance to users in accessing and using IT systems Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems Provide support for the escalation and communication of status to agency management and internal customers Optimize system operations and resource utilization, and perform system capacity analysis and planning Provide support for the dispatch system and hardware problems and remain involved in the resolution process Configure and manage UNIX and Windows (or other applicable) operating systems and install/load operating system software, troubleshoot, maintain integrity and configure network Required Skills 15 years' experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required Bachelor's degree in technical discipline from an accredited college or university. Five (5) years of additional Systems Administrator experience may be substituted for a bachelor's degree Security Clearance Requirement Current/Active TS/SCI with Full Scope Polygraph Equal Opportunity Statement Riverstone Enterprise Solutions is an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran's status, age, disability or any other basis prohibited by law. #J-18808-Ljbffr Envision Innovative Solutions
$98.9k - $148.3k
...incredible opportunities to work on revolutionary systems that impact people's lives around the world... ...Grumman Classified Solutions CIDO team is seeking a Principal Computer Systems Analyst (Linux/AWS Systems Administrator) to support information system lifecycle...PrincipalFull timeRelocationFlexible hoursShift workWeekend work- Riverstone Enterprise Solutions is looking for a motivated Systems Administrator Level 2 in Aurora, CO, for a hybrid position. Responsibilities include troubleshooting IT systems and providing Tier 1 and Tier 2 support. Candidates must have ten years of relevant Systems...Suggested
$60k - $90k
Meriplex Communications, Ltd. is seeking a Senior Systems Administrator to act as the second tier of support for its Technical Assistance Center. This role involves resolving Level 2 end user issues, providing excellent customer service, and contributing to a collaborative...Suggested$220k
A specialized recruiting firm is seeking an experienced System Administrator in Aurora, CO. The role involves managing and troubleshooting IT systems, providing Tier 1 and Tier 2 support, and working with UNIX and Windows operating systems. Candidates should have at least...Suggested- ...clearance with Polygraph. Ideal candidates should possess expertise in Windows and Linux administration, along with strong troubleshooting skills. The successful candidate will manage systems, assist with user issues, and ensure optimal performance across various platforms....Suggested
- RealmOne is seeking a Level 2 System Administrator to join our team in Aurora, Colorado. This role involves providing Tier 1 and Tier 2 support, troubleshooting issues, and managing UNIX and Windows operating systems. Candidates must have ten years of experience as a System...Flexible hours
$60k - $90k
Meriplex-Communication in Aurora, Colorado is looking for a Senior Systems Administrator to support their Technical Assistance Center. You will provide Level 2 support, handling issues from basic firewall administration to Azure subscription troubleshooting. The position...- Envision Innovative Solutions is seeking a motivated Systems Administrator Level 3 for their Aurora, Colorado location. The role includes supporting implementation and maintenance of IT systems, managing configurations, and providing user support. Ideal candidates will...
$155k - $175k
Envision Innovative Solutions is hiring a Systems Administrator Level 2 in Aurora, CO. In this role, you will provide essential support for the implementation, troubleshooting, and maintenance of IT systems, ensuring optimal operations. Qualified candidates will have at...$60k - $90k
Meriplex, located in Aurora, Colorado, is hiring a Senior Systems Administrator to provide support for their Technical Assistance Center. This role involves resolving technical issues, managing server maintenance, and delivering exemplary customer service. Candidates should...$177k - $265.6k
Northrop Grumman in Aurora, Colorado is seeking a Staff Systems Administrator to work on revolutionary systems impacting lives globally. This role involves system administration across Linux and Windows platforms, managing VMware technologies, and supporting Cyber Security...$158k - $190k
A high-tech solutions company is seeking a Senior Systems Administrator to ensure the smooth operation of multi-user computer systems. Candidates must have an active TS/SCI + CI Poly clearance, along with a CompTIA Security+ certification and experience in systems administration...- Geologic is searching for a Senior Principal Systems Engineer to work on-site in Aurora, CO. In this role, you will oversee the technical aspects and collaborate with multi-disciplinary teams. Key responsibilities include defining system functional capabilities and managing...Principal
$129.3k - $193.9k
Northrop Grumman in Aurora, CO is seeking a Senior Principal Network Engineer who will design and plan network communication systems and maintain technical expertise in network interconnections. The ideal candidate should have an active TS/SCI clearance and Security+ certification...Principal$60k - $90k
Position Summary The Senior Systems Administrator acts as the second tier of support for Meriplex’s Technical Assistance Center (TAC) and reports to a TAC Manager. In addition to working within the TAC’s ticketing system to resolve Level 2 end user issues, this role acts...- Raytheon seeks a Model-Based Systems Engineer (MBSE) SME to drive MBSE solutions across engagements in on-site locations including Tewksbury, Marlborough, Woburn, or Aurora. You will implement MBSE capabilities within Raytheon’s Digital Engineering Ecosystem and collaborate...Principal
- Riverstone Enterprise Solutions is seeking a motivated, customer-oriented Systems Administrator Level 2 to join our team in Aurora, CO . This is a Hybrid position. Primary Responsibilities Provide support for implementation, troubleshooting, and maintenance of IT systems...
- ...impact you'll make, wielding cutting ‑edge tech to solve real‑world challenges. The Role Our client is seeking an experienced System Administrator to manage, troubleshoot, and maintain complex Information Technology (IT) systems across the enterprise infrastructure. You...For contractors
$172.5k - $215.5k
Solidus Technical Solutions is looking for a Senior Principal Systems Engineer in Aurora, CO. This role involves applying your expertise in systems engineering, collaborating with teams, and managing complex projects within the Space Intelligence sector. To be considered...Principal- Leidos is seeking an IT Engineer with Microsoft Enterprise Systems Administrator experience to join our team in support of a Federal Intelligence Agency contract located in Alice Springs, AUS. Responsibilities Provide Tier 2 support maintaining multiple large enterprise...Contract workTemporary workRemote work
$158k - $190k
Overview We are seeking a Senior Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information Technology Enterprise III (SITE III). The Senior Systems Administrator maintains smooth operation of multi‑user computer...Full timeContract workTemporary workMonday to FridayWeekend workAfternoon shift$7.5k
Job Brief Implementation support, IT systems maintenance and troubleshooting, optimizing system operations Job Description RealmOne... ...enhancements to improve reliability and performance. The Level 3 System Administrator shall possess the following capabilities: Provide support for...Work experience placementImmediate startFlexible hours- RTX's Collins Aerospace in Aurora, CO is seeking a senior software engineering lead to guide an Agile team in delivering high-quality applications for the HBMS program. You will architect scalable solutions, drive code quality, enforce security standards, and mentor engineers...Principal
- An established industry player is seeking a dedicated IT Systems Administrator to join their team. This role involves providing essential support for the implementation, troubleshooting, and maintenance of IT systems while managing daily operations. The ideal candidate...
- ...excellence. Position Requirements: Provides support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems, including day-to-day...Flexible hours
$7.5k
Job Brief Implementation support, IT systems maintenance and troubleshooting, optimizing system operations Job Description We are searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program...Work experience placementImmediate startFlexible hours- A specialized recruiting firm is seeking a proactive DevOps Systems Administrator to manage CI/CD pipelines and optimize system infrastructures in Aurora, CO. The ideal candidate will hold a Bachelor's degree in Computer Science and possess strong scripting skills, knowledge...
$95k - $105k
...healthier future for all. You matter, and so does the impact you can make with us. We are seeking a skilled Endpoint Management System Administrator to support and operate a modern enterprise endpoint environment. This is a highly hands‑on operational role responsible for...Local area$66k - $106k
Responsibilities Peraton is seeking a Systems Administrator to join our team supporting the Department of State's Consular Affairs Enterprise Infrastructure Operations (CAEIO) program. The SA provides IT Operations and Maintenance (O&M) support for the hardware, software...Contract workWorldwideMonday to FridayShift workDay shift$100k - $200k
Description ANS is currently seeking a Linux / UNIX / Windows System Administrator that will provide Tier 2 technical support to maintain high priority operational systems at a high level of availability, and resolve problems based on mission criticality and guidance....Temporary workWork experience placementLocal areaFlexible hours
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