Senior Linux System Administrator jobs in Aurora – Browse 20 openings on RoboApply Jobs

Senior Linux System Administrator jobs in Aurora

Open roles matching “Senior Linux System Administrator” with location signals for Aurora. 20 active listings on RoboApply Jobs.

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companyRampant Technologies logo
Full-time|On-site|Aurora, Colorado

Join Our Team as a Senior Linux System Administrator!We are on the lookout for a skilled Senior Linux System Administrator with extensive experience in Red Hat systems to bolster our dynamic infrastructure team. This pivotal role merges technical leadership with system automation and data center operations, making it perfect for a professional eager to enhance infrastructure excellence while guiding and mentoring fellow team members.

Apr 11, 2026
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companyRampant Technologies logo
Linux Systems Administrator

Rampant Technologies

Full-time|On-site|Aurora, Colorado

Company Overview: Rampant Technologies thrives on a diverse workforce that nurtures innovation and promotes ongoing improvement and achievement. Join us and play a pivotal role in delivering information solutions and services that bolster national security initiatives and governmental transformation for clients in Intelligence, Defense, and Federal Civilian sectors. Rampant is proud to be an Equal Opportunity Employer.Job Overview: We are looking for a talented Systems Engineer to enhance our IT infrastructure, concentrating on RHEL-based Linux systems while transitioning strategically to Kubernetes containerization. This position operates within a vibrant R&D lab that closely collaborates with the broader enterprise. Responsibilities include maintaining, upgrading, and evolving both Linux and Kubernetes environments alongside associated infrastructure. As a key technical advisor, you will facilitate communication between lab leadership and project teams, ensuring alignment between technical execution and strategic objectives. Exceptional verbal and written communication skills are essential for engaging effectively with diverse stakeholders.

Aug 6, 2025
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companyWyetech LLC logo
Full-time|On-site|Aurora, Colorado

Join Wyetech, where innovation meets an award-winning corporate culture, as we tackle technological challenges and deliver solutions for our federal government partners. We pride ourselves on attracting top-tier talent, offering a distinctive employee experience that sets us apart in the industry.As a System Administrator III, you will play a vital role in the implementation, troubleshooting, and upkeep of our Information Technology (IT) systems. You will oversee the IT system infrastructure and manage processes related to these systems. Your responsibilities will include supporting daily operations, monitoring, and resolving issues across various client/server/storage/network devices and mobile platforms. Additionally, you will provide Tier I (Help Desk) and Tier II (Escalation) support, identifying, diagnosing, and resolving problems while effectively communicating status updates to agency management and internal stakeholders. You will be actively involved in the dispatch system and hardware problem resolution processes. Your expertise will also be crucial in configuring and managing UN1X and Windows operating systems, installing software, troubleshooting system integrity, and optimizing network components to enhance reliability and performance. The ideal candidate will possess significant skills and experience in the installation and maintenance of Cisco routers and switches to support enterprise systems.Note: Due to federal contract requirements, U.S. Citizenship and an appropriate security clearance (e.g., Active TS/SCI clearance with agency polygraph) are mandatory.

Dec 16, 2025
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companyWyetech LLC logo
Full-time|On-site|Aurora, Colorado

Join Wyetech, where you will be part of an award-winning corporate culture dedicated to pushing technological boundaries and addressing real-world challenges faced by our federal government clients. We pride ourselves on attracting top-tier talent and, in return, we provide an unparalleled employee experience that is hard to find in the industry.As a System Administrator II, you will be responsible for the implementation, troubleshooting, and maintenance of our Information Technology (IT) systems. You will manage the IT system infrastructure and handle related processes, ensuring smooth day-to-day operations. Your role includes monitoring and resolving issues across various client, server, storage, and network devices, as well as mobile devices. You will provide Tier I (Help Desk) and Tier II (Escalation) support, identifying and diagnosing problems efficiently. Additionally, you will facilitate communication regarding status updates to agency management and internal stakeholders. Your responsibilities also encompass configuring and managing both UNIX and Windows operating systems, installing software, maintaining system integrity, and implementing enhancements to improve reliability and performance.Due to federal contract requirements, U.S. Citizenship and an appropriate security clearance are mandatory for this role (e.g., Active TS/SCI security clearance with agency-specific polygraph).

Dec 8, 2025
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companyRampant Technologies logo
Linux Platform Engineer

Rampant Technologies

Full-time|On-site|Aurora, CO, Fairfax, VA, Sarasota, FL

OverviewWe are in search of skilled Linux Platform Engineers to architect and implement cutting-edge automated IT infrastructure solutions. This position merges hands-on technical expertise with AI-driven automation to revolutionize infrastructure management at scale.Key ResponsibilitiesDesign, implement, and maintain automated solutions for IT infrastructure.Collaborate with cross-functional teams to enhance operational efficiency.Utilize AI technologies to streamline infrastructure management processes.Support troubleshooting and optimization of existing systems.Document processes and maintain up-to-date technical records.

Apr 11, 2026
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companyRampant Technologies logo
Full-time|On-site|Aurora, CO, Fairfax, VA, Sarasota, FL

Overview Join us at Rampant Technologies as a skilled Linux Software Engineer! In this pivotal role, you will contribute to multi-location projects aimed at modernizing and optimizing our software infrastructure. Your expertise will be crucial in migrating existing applications and developing innovative solutions within containerized environments and cloud platforms. Key Responsibilities Lead the migration of legacy applications to modern architectures. Develop and deploy new software projects in cloud environments. Collaborate with cross-functional teams to enhance software performance and reliability. Implement best practices for security and scalability in software development. Participate in code reviews and contribute to team knowledge sharing.

Apr 11, 2026
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companyNorthstrat logo
Full-time|On-site|Aurora, Colorado, United States

Join Northstrat, a leader in advanced technology solutions, as a Systems Engineer in our innovative prototype solution team. We are seeking a highly skilled and motivated individual to contribute to the agile development of cutting-edge software solutions that facilitate the integration of space-to-ground systems for our national customer. The ideal candidate will possess a wealth of experience in full lifecycle Systems Engineering and Integration (SE&I) for mission-critical software applications, with a strong ability to translate user and mission needs into actionable software features. This position calls for a proactive self-starter who can navigate loosely defined tasks and collaborate effectively with the development team to deliver exceptional software solutions.Key Responsibilities:Contribute to the design, development, and implementation of robust, scalable, and high-performance software applications, leveraging full lifecycle Systems Engineering and Integration expertise to fulfill mission requirements.Collaborate with the development team to define, design, and implement innovative features and capabilities.Engage in agile ceremonies throughout the software development lifecycle to ensure seamless progress.Support the complete product lifecycle, including systems engineering documentation, requirements analysis, design, implementation, integration, testing, and deployment.

May 20, 2025
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companyAtialtd logo
Internship|On-site|Aurora

Are you passionate about social media and looking to gain hands-on experience in digital marketing? Join us at Atialtd as a Facebook Administrator Intern! This paid internship provides a unique opportunity to work with our dynamic team, helping to manage and enhance our Facebook presence. You will be responsible for engaging with our audience, creating content, and implementing strategies to boost our online visibility.

Aug 7, 2016
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companyatialtd logo
Internship|On-site|Aurora

Join our team as a Facebook Administrator Intern! This paid internship offers the perfect opportunity for enthusiastic individuals eager to gain hands-on experience in social media management and digital marketing. You will work closely with our marketing team to develop engaging content, analyze social media metrics, and contribute to our overall online presence.

Jul 24, 2016
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company
Full-time|On-site|Aurora, Colorado, United States

DSI Systems is seeking a Retail Support Specialist in Aurora, Colorado. This position supports retail operations by helping manage inventory, ensuring products are stocked and available, and responding to customer inquiries. Role overview This role focuses on maintaining smooth day-to-day store operations. The Retail Support Specialist plays a key part in delivering a positive customer experience and upholding DSI Systems' service standards. What you will do Assist with inventory management to keep products organized and available Monitor product availability and coordinate restocking as needed Address customer questions and concerns in a timely, helpful manner Impact Your work will support efficient retail processes and help customers find what they need, contributing to the overall success of the store.

Apr 28, 2026
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company
Full-time|On-site|Aurora, Colorado, United States

Qualis LLC is actively searching for an accomplished Space Systems Test Engineer to take on a pivotal role in our team. This position requires extensive experience and expertise in Space Systems, encompassing OPIR, MILSATCOM, Global Positioning System, and Joint Space Operations Center Mission Systems. The selected candidate will contribute significantly to test design, planning, execution, data analysis/system characterization, and reporting for operational test and evaluation. Additionally, this role will encompass responsibilities as the project manager and site team lead, stationed at Buckley Space Force Base, CO.Key Responsibilities:Conduct thorough analyses of the system performance.Evaluate test capabilities and identify requirements.Pinpoint gaps in test capabilities and develop innovative methodologies and tools.Determine mission-critical functions and assess potential impacts of threats on these functions.Design and implement tests utilizing Design of Experiments (DOE) methodologies.Review and report on the status of Systems Program Office (SPO) documentation to the test director.Analyze subsystem technology readiness levels and assist in translating user needs into system requirements.Identify Developmental Test (DT) plans from the System Program Office (SPO).Highlight deficiencies in DT plans and data requirements necessary for Operational Test (OT).Collect OT data during DT events (Integrated Testing).Identify suitable test tools and methods to conduct OT.Represent OT interests during Integrated Testing and participate in dedicated OT events.Analyze and characterize system performance, providing detailed reports on OT and IT&E events.Coordinate cross-functional teams to ensure efficient project execution and manage resources, timelines, and team performance.Deliver detailed reports on project status, schedules, risks, and milestones to senior leadership.

Feb 28, 2026
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companyAtia Ltd logo
Internship|On-site|Aurora

Join Atia Ltd as a Journalist and Facebook Administrator Intern and gain valuable hands-on experience in the field of journalism and social media management. In this dynamic internship, you will assist in creating engaging content, managing our Facebook page, and analyzing audience engagement metrics. This is an excellent opportunity to develop your writing, editing, and social media skills while working in a collaborative environment.

Jul 17, 2016
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companySciTec logo
Full-time|$146K/yr - $175K/yr|On-site|Aurora, Colorado, United States

Join SciTec, a proud subsidiary of Firefly Aerospace, where innovation meets dedication in the realm of national defense. We are a forward-thinking defense contractor committed to advancing technologies that bolster U.S. National Security. With over 45 years of experience, we specialize in creating cutting-edge remote sensing algorithms and tools, providing unparalleled data exploitation capabilities for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.Important Notice: All candidates must be U.S. citizens, as we exclusively handle government contracts that necessitate citizenship for security clearance purposes. SciTec cannot sponsor work visas. Applicants who do not meet these criteria will not be considered.We are currently seeking a talented Senior Data Center Engineer to join our team in Aurora, CO. The ideal candidate will possess extensive experience in data center design, configuration, and maintenance. You should be adept in hardware procurement and be ready to engage directly in resolving complex data center challenges. We value collaboration, mentorship, and a strong commitment to data security and customer service.

Sep 9, 2025
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companyNorthstrat logo
Full-time|On-site|Aurora, Colorado, United States

Northstrat is on the lookout for a highly skilled Senior Software Developer to join our innovative team. This role involves designing and implementing cutting-edge technical solutions utilizing the latest software development methodologies and technologies. Your primary focus will be on the exciting Novum Dolis project, which presents a unique opportunity for greenfield development! As part of your role, you will architect and implement microservice solutions to tackle complex challenges while also mentoring junior developers. You will be expected to write high-quality code adhering to our rigorous Test Driven Development (TDD) standards.The ideal candidate will exhibit leadership by fostering a collaborative environment that encourages team-based problem-solving. We seek a self-motivated individual capable of taking loosely defined tasks and collaborating with the team to deliver exceptional outcomes.

Aug 22, 2025
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companyvangsttalentnetwork logo
Office Manager

vangsttalentnetwork

Full-time|On-site|Aurora

Join our client, a prominent player in the hemp industry, as an Office Manager. This pivotal role involves organizing and coordinating administrative tasks and office procedures to foster a productive and harmonious work environment. You will be instrumental in enhancing organizational effectiveness, communication, and safety.Key Responsibilities:Serve as the liaison between executives and internal/external clients.Manage incoming calls, take messages, and direct correspondence appropriately.Address requests and queries efficiently.Ensure the office is well-maintained and coordinate necessary repairs.Organize office layout and procure supplies and equipment.Manage calendars, schedule meetings, and send reminders.Facilitate travel arrangements.Record dictation and minutes while accurately inputting data.Monitor office supplies and seek out beneficial deals from suppliers.Implement an efficient documentation and filing system.Assist in onboarding new employees.Coordinate with facility management vendors, including cleaning, catering, and security services.

Mar 5, 2017
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companyRR Donnelley logo
Sales Assistant

RR Donnelley

Full-time|On-site|Aurora

RR Donnelley in Aurora, Illinois is hiring a Sales Assistant to support its sales team. This role centers on providing administrative help and strong customer service to keep sales operations running smoothly. What you will do Assist the sales team with day-to-day administrative tasks Help manage customer inquiries and deliver timely support Contribute to a positive experience for both customers and colleagues Who succeeds in this role Motivated to learn and grow within a sales environment Comfortable handling multiple tasks and shifting priorities Ready to work closely with others and communicate clearly This position offers a chance to build practical skills in a busy setting and play a part in the team's achievements.

Apr 29, 2026
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companyNorthstrat Inc. logo
Full-time|On-site|Aurora, Colorado, United States

Northstrat Inc. is growing its Aurora, Colorado team with a Software Engineer position focused on Major Systems Application development. This role supports the modernization of space domain awareness and flight safety tools, with a focus on building and maintaining advanced AWS-based architectures and containerized microservices. Key responsibilities Design, implement, and maintain containerized microservices in AWS environments. Support operations and maintenance for ongoing system modernization projects. Work in an agile team using established frameworks and CI/CD practices to deliver reliable software. Develop and integrate features for space domain awareness, such as: Observation scoring using defined processes Generating and fusing "truth" data Integrating scoring and fusion capabilities into the system Maintaining workflows to ensure the RSO database remains accurate and reliable Contribute to software design, development, testing, and performance analysis. Apply best practices throughout the software development life cycle. Requirements Bachelor’s degree in Software Engineering, Computer Science, Information Systems, or a related field Minimum 5 years of software engineering experience Strong Java development skills, including experience with SpringBoot, Mockito, Lombok, and OpenAPI (Swagger) for RESTful services Experience with Git for source control and Gradle for build automation Familiarity with technologies such as Kafka, MongoDB, ActiveMQ, and NiFi Experience with containerization and deployment using Kubernetes and Helm Charts is highly desirable Solid understanding of Amazon Web Services (AWS) Location This position is based in Aurora, Colorado, United States.

Apr 24, 2026
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companyArtech Information Systems LLC logo
Partner Support Coordinator

Artech Information Systems LLC

Full-time|On-site|Aurora

Join our dynamic team at Artech Information Systems LLC as a Partner Support Coordinator. In this role, you will be pivotal in ensuring our partners receive exceptional support and service. Collaborate with various teams to resolve issues, enhance partner relationships, and contribute to our mission of delivering excellence. This position is ideal for someone passionate about fostering partnerships and dedicated to customer satisfaction.

Mar 1, 2017
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companyApex Focus Group logo
Part-time|Remote|Aurora, Colorado, United States

Apex Focus Group collaborates with leading research organizations, academic institutions, and brands to gather authentic consumer insights. We provide individuals with flexible, work-from-home research opportunities that play a crucial role in shaping products, services, and overall user experiences.Role OverviewWe invite individuals from diverse backgrounds, including those interested in administrative assistant positions, to engage in upcoming consumer research studies. These studies may encompass online interviews, product evaluations, or feedback sessions, primarily conducted remotely.This is a casual, project-based role ideally suited for those seeking part-time participation in research opportunities based on their availability and profile alignment.

Dec 20, 2025
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companyInfraServices logo
Full-time|On-site|Aurora, Colorado

Elevate your career with InfraServices and join a passionate team dedicated to providing essential telecommunications and recovery solutions. At InfraServices, we are not just a service provider; we are pioneers, problem solvers, and collaborators. Our culture is anchored in a commitment to safety, driven by a customer-centric approach, and characterized by excellence and integrity. Every voice within our organization is valued, innovative ideas are encouraged, and exceptional talent is recognized. We are dedicated to fostering an employee experience built on trust, respect, continuous learning, and opportunities for growth. Whether you are constructing state-of-the-art infrastructure, supporting field operations, or spearheading business development, your contributions will be vital in upholding our core values and achieving our business goals.Position Overview: The Tower Technician III is a senior-level field technician responsible for leading tower crews in the installation, maintenance, and repair of wireless communication towers and associated infrastructure. This role necessitates advanced technical expertise, strong leadership skills, and a commitment to ensuring that all work is performed safely, promptly, and to high-quality standards. The position is instrumental in training team members, coordinating site activities, and ensuring compliance with all safety regulations and standards.

Apr 3, 2026

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