System Administrator

About the Role xcimer is hiring an Optical Control Systems Engineer in Denver, CO. This position focuses on designing and implementing optical control systems that support advanced technology development. The work centers on applying knowledge of optics and control systems to create practical solutions for complex engineering challenges.

SummaryAs a Systems Engineering Technician II, you will play a crucial role in providing technical support to federal, state, and local government agencies. Your responsibilities will include maintaining various communication systems, such as microwave, telephone, two-way radios, digital trunked radio, data, and video communications equipment. You will adhere to established protocols to ensure ongoing preventative maintenance and effective failure resolution, while also creating and updating circuit and equipment records to fulfill public safety and inter-government requirements.Roles & ResponsibilitiesYour primary duties will encompass:Collaborating on the design and installation of equipment tailored to meet agency requests and specifications, including the development of innovative electronic solutions.Utilizing test equipment such as service monitors, spectrum analyzers, T1 testers, power meters, and RF cable analyzers, while providing guidance to fellow team members.Demonstrating a clear understanding of TDM circuits and related equipment, including DS0, DS1, and DS3 signaling, as well as M13 and channel bank multiplexers.Identifying and diagnosing performance issues with subscriber radio equipment.Exhibiting knowledge of proper connectorization techniques for hardline coaxial cable.Understanding -48 VDC power systems, including rectifiers, inverters, and batteries.Providing 24/7 emergency repair services to ensure the reliability of public safety communications.Conducting repairs that may necessitate the use of four-wheel drive vehicles or Sno-Cat® to access remote locations under challenging weather conditions.Climbing towers exceeding 350 feet in height to install antennas, coaxial cables, and waveguides.

About Apollo Information Systems Apollo Information Systems delivers security and compliance solutions to organizations that want strong protection without the burden of building systems from scratch. Supported by a Series A investment from Syn Ventures, Apollo focuses on cybersecurity-as-a-service, bringing together disconnected tools into unified, outcome-oriented security programs. The Apollo Aegis platform offers subscription-based cybersecurity and compliance, along with managed security, advisory, assessment, incident response, and offensive security services. Apollo works with state and local governments, K-12 and higher education, and mid-market companies, with a particular focus on election security. Culture at Apollo Apollo is growing quickly and values collaboration that blends deep cybersecurity knowledge with business understanding. The team is committed to solving complex security challenges and building lasting client partnerships. Integrity and ethical conduct matter here. Expect to work with smart, driven, and genuinely kind colleagues. While much of the team works remotely, Apollo maintains a collaborative office hub in Denver. Role Overview: Proposal Manager The Proposal Manager leads proposal operations from start to finish. This role calls for strategic thinking, strong writing and editing, and skill with AI tools to efficiently create high-quality proposals, marketing materials, and business development content. The work centers on clearly presenting Apollo’s cybersecurity services and supporting new business efforts. The right candidate enjoys building effective processes, developing relationships, and managing RFP initiatives. This position collaborates across teams, focusing on service and support rather than enforcing rigid protocols. Key Responsibilities Manage the entire RFP response process, from evaluating opportunities to submitting final proposals. Review and prioritize bid opportunities from GovSpend, considering strategic fit and likelihood of success, and help set criteria for RFP acceptance. Coordinate proposal projects, working with technical teams and leadership to ensure thorough, compliant responses. Location Denver Office: 3459 Ringsby Ct. #408, Denver, CO 80216

Position Summary: Join our dynamic service team as a Fire Systems Technician, where your skills will be pivotal in ensuring the safety and efficiency of our kitchen fire suppression systems. In this role, you will be responsible for the installation, inspection, and maintenance of fire systems across various sites. Our ideal candidate is comfortable working in outdoor settings and adept at using ladders and hand tools. This position offers extensive formal training along with mentorship opportunities, allowing you to develop a comprehensive understanding of CaptiveAire products. Why Choose CaptiveAire? As the nation’s premier manufacturer of commercial kitchen ventilation systems, we provide a complete suite of solutions including fans, heaters, ductwork, and HVAC equipment, all designed for integrated, sustainable HVAC systems. With over 40 years of industry leadership, we pride ourselves on innovative technologies, exceptional service, competitive pricing, and rapid lead times. Our mission is to deliver the highest quality products and services at the most competitive prices. We are committed to our employees' development, offering continuous education opportunities through product-specific training and technical videos created by the company. Safety is our top priority at CaptiveAire. We provide comprehensive safety training and the necessary equipment to ensure safe working conditions at all times. What Our Employees Say: “CaptiveAire constantly raises industry standards, leading with innovation and new technologies to provide the best products for our customers.” – Field Service Technician “At CaptiveAire, your contributions are recognized and rewarded. There’s always something new to learn!” – Field Service Technician “Working at CaptiveAire feels like running your own small company with the support of a larger organization.” – District Service Manager Discover more about CaptiveAire and our offerings here. A Day in the Life: As a Fire Systems Technician, no two days are the same. You will engage in a variety of tasks that are unique and high in volume, ensuring a stimulating and rewarding work environment.

Join a Transformative CompanyAt Palantir, we are at the forefront of developing innovative software that enables data-driven decisions and operations. Our cutting-edge platforms empower partners to accomplish remarkable feats, from creating lifesaving pharmaceuticals to predicting supply chain disruptions and reuniting families with missing children.Your OpportunityAs a Systems Engineer within Palantir’s Technical Operations team, you will play a pivotal role in shaping the backbone of our business workflows and decision-making processes. Your responsibilities will include designing, constructing, and sustaining the critical infrastructure that supports our financial reporting, sales initiatives, and personnel management systems. Collaborating closely with internal teams and external partners, you will tailor industry tools to meet Palantir’s dynamic requirements, while also enhancing our utilization of Palantir Foundry and AIP for internal operations.In this position, you will offer technical insight and strategic vision to key stakeholders. A typical day may involve assessing new technological solutions, engaging in strategic planning to align IT initiatives with business goals, resolving high-priority system challenges, and collaborating across teams to implement system enhancements. Success in this role demands a proven track record of managing multiple business systems, coupled with the agility to adapt to shifting requirements and emerging challenges.

Join blissway as an Embedded Systems Engineer and play a vital role in designing and developing cutting-edge embedded systems. You will work closely with cross-functional teams to create innovative solutions for our clients. Your expertise will contribute to the full lifecycle of product development, from concept through to implementation.

Join DigitalOcean as a Systems Engineer I, where you’ll play a vital role in ensuring the reliability and efficiency of our systems. As a member of our engineering team, you will collaborate with talented professionals to enhance our infrastructure and provide excellent service to our customers.

A new era in the exploration and utilization of space is upon us. True Anomaly is on the lookout for passionate and driven individuals who are eager to develop groundbreaking technologies that address the engineering, manufacturing, and operational hurdles of space security and sustainability.OUR MISSIONThe peaceful utilization of outer space is critical for our ongoing success on Earth, impacting everything from communications and finance to navigation and logistics. True Anomaly specializes in creating advanced technologies at the convergence of spacecraft, software, and artificial intelligence, enhancing the capabilities of the U.S., its allies, and commercial partners. Our commitment lies in protecting global security by ensuring accessible and sustainable space for all.OUR VALUESBe the offset. We cultivate unique advantages through creativity and innovation.What would it take? We challenge norms to achieve extraordinary outcomes.It’s the people. Our team is our greatest asset, and collaboration makes us stronger.YOUR MISSIONWe are inviting applications for the position of Lead Systems Engineer (LSE) who will play a pivotal role in the development and integration of state-of-the-art aerospace and defense systems. As an LSE, you will be instrumental in defining, analyzing, and ensuring the successful execution of mission requirements across complex, mission-critical space systems that support national defense initiatives and the advancement of autonomous space technologies. The LSE will take ownership of the requirements, verification, and validation (RV&V) efforts, manage the daily systems engineering processes, and integrate Model-Based Systems Engineering (MBSE) tools. You will lead gate review activities, oversee the daily tasks and prioritization of program Systems Engineers, and guide interface definitions while leading mission and vehicle level gating reviews.

Fastly is dedicated to enhancing connectivity for individuals and organizations alike. Our cutting-edge edge cloud platform empowers customers to deliver exceptional digital experiences swiftly, securely, and reliably by processing and securing applications right at the edge of the Internet, closer to the end-user. Designed for modern internet capabilities, our platform is highly programmable and supports agile software development. We proudly serve a diverse clientele, including industry leaders such as GitHub, Yelp, Paramount, and JetBlue.Join us in our mission to create a more trustworthy Internet.Posting Open Date: 3/24/26Anticipated Posting Close Date*: 6/24/26*Job posting may close early due to the volume of applicants.Finance Systems AnalystWe are on the lookout for a skilled Finance Systems Analyst to enhance our Billing Systems and support our comprehensive Order-to-Cash (O2C) operations. This pivotal role involves close collaboration with the Billing Operations, Finance, and Business Systems teams to optimize and maintain systems governing Contracts, Orders, Billing, and Invoicing across both subscription and usage-based revenue models.The ideal candidate will possess robust analytical abilities, a solid understanding of Lead-to-Cash processes, and practical experience with data querying and reporting tools. This position is essential for troubleshooting business challenges, analyzing data, enhancing operational processes, and supporting system improvements and projects within the Order-to-Cash framework.This opportunity is perfect for individuals with approximately 5-7 years of experience, who thrive at the intersection of finance operations, systems, and data analysis.

At Xcimer Energy, we harness decades of pioneering research in Inertial Fusion Energy (IFE) alongside revolutionary laser architecture. Our mission is to deploy fusion power plants efficiently, supporting global decarbonization initiatives. With a team of visionary leaders in tough tech, fusion science, and manufacturing, we pride ourselves on our rapid execution and innovative approach. Backed by top-tier investors, Xcimer is uniquely positioned to deliver unlimited, clean fusion energy to combat climate change. Join us in creating a sustainable future powered by inertial fusion!As a Fluid Systems Design Engineer, you will spearhead the design, development, manufacturing, and testing of advanced vacuum and gas delivery systems for next-generation nuclear fusion technology. Your contributions will span the entire engineering lifecycle, including conceptual design, requirements definition, analysis, structural layout, integration, testing, and operations. This role demands innovative problem-solving, sound engineering judgment, and cutting-edge manufacturing techniques to ensure reliable high-pressure, high-vacuum, and high-purity gas delivery systems.We are in search of an engineer who possesses extensive technical knowledge, demonstrates ownership, and is dedicated to quality, all while embodying a sense of rigorous urgency throughout the execution process. Your technical expertise, problem-solving capabilities, and commitment to excellence will significantly influence the future of clean energy!

Join DigitalOcean as a Systems Engineer II, where you'll be at the forefront of developing and maintaining our cloud infrastructure. In this role, you will work collaboratively with cross-functional teams to design, implement, and optimize system architectures that deliver high performance and reliability.

Join Northstrat as a Systems Engineer and be part of our innovative integration team, dedicated to supporting the US Government in the Mission Management domain. In this role, you will leverage your extensive experience in full lifecycle Systems Engineering and Integration (SE&I) to ensure that mission software applications are effectively integrated and tested. The ideal candidate will possess a strong analytical mindset, capable of deriving acceptance criteria and designing comprehensive mission test threads. We are looking for a proactive self-starter who excels both independently and in collaborative environments.Key Responsibilities:Analyze requirements and solution epics to establish acceptance criteria, tests, and mission threads.Conduct engineering investigations to perform root cause analysis on issues.Identify, track, and mitigate dependencies and risks.Develop expertise in system interfaces and pinpoint key integration points.Maintain consistency across multiple applications.Create technical design documentation, test plans, and artifacts to ensure successful system integration.Engage in Agile ceremonies including daily stand-ups, planning, iteration reviews, and retrospectives to align with team goals.Collaborate effectively with colleagues, clients, and partners, fostering a culture of teamwork and shared knowledge.Propose enhancements to processes and identify areas for improvement to boost team efficiency.

Join our dynamic team as a Legacy Systems Specialist at 360 IT Professionals, where you will play a key role in managing and enhancing our legacy IT systems. This is an exciting opportunity for individuals with a passion for technology and a commitment to maintaining and improving critical systems.

Are you a tech-savvy problem solver with a passion for systems engineering? At StemXpert1, we are looking for a dedicated Technical Systems Engineer to join our dynamic team in Denver, Colorado. In this role, you will have the opportunity to design, implement, and maintain complex systems that enhance our innovative solutions.You will collaborate closely with cross-functional teams to ensure seamless integration and functionality of our systems, utilizing your expertise in troubleshooting and optimization.

Join bet365 as an Infrastructure Systems Engineer in Denver, where you'll play a crucial role in managing and optimizing IT infrastructure systems. You will be responsible for designing, implementing, and maintaining scalable and reliable systems that support our global operations. This position offers an exciting opportunity to work with cutting-edge technologies and to collaborate with a team of skilled professionals dedicated to innovation.

CapTech Consulting is seeking a Senior Technical Business Systems Analyst based in Denver. This position focuses on connecting business needs with technology solutions to improve how teams operate and deliver projects. Role overview The Senior Technical Business Systems Analyst will analyze complex business requirements and design solutions that help streamline operations. The role involves working closely with cross-functional teams to support the successful rollout of technology initiatives. Key responsibilities Analyze and document business needs to inform technical solutions Design systems and processes that enhance operational efficiency Collaborate with project and technical teams throughout the development lifecycle Ensure deliverables align with client requirements and industry standards What you bring Strong background in technical analysis and systems design Experience guiding teams through project development Ability to work effectively with both business and technology stakeholders

Join DSI, a premier sales enablement organization, as an Account Sales Manager (ASM) dedicated to our thriving Exclusive Distribution Model (EDM) team. In this vital position, you will take charge of driving sales performance for our client's products within your designated territory.As the ASM, you will bridge the gap between training and sales, collaborating closely with our partners and management to elevate the client’s offerings. Your responsibilities will include delivering formal classroom-style training, engaging in side-by-side selling, facilitating informal group training sessions, and creating enthusiasm for selling and the overall opportunity. You will assess market opportunities and challenges, providing innovative solutions to enhance our sales strategy. Your performance will be evaluated based on positive sales outcomes, relationship cultivation, timely reporting, and your overall contribution to the program.To qualify for this exciting role, candidates must reside in or around the following areas:Denver, CO; Charleston, SC; Atlanta, GA; Nashville, TN; Raleigh, NC; Phoenix, AZ; Salt Lake City, UT; Chicago, IL; Portland, OR; Seattle, WA; Las Vegas, NV; Kansas City, MO.This position requires 50-75% travel.About DSIEstablished in 1984, DSI is a family-owned enterprise devoted to delivering outstanding value and measurable results for our clients and partners. Our extensive services encompass sales management, marketing support, hardware logistics, immersive training, engineering expertise, and proprietary software solutions—all aimed at fostering growth and enhancing operational efficiency.At DSI, we believe that strong relationships form the bedrock of enduring success. Our comprehensive solutions span diverse markets—including mobility, broadband, video, commercial, residential, lodging and institutions, and multi-dwelling units—empowering our sales partners to discover new opportunities and reach their full potential.

Are you passionate about providing exceptional customer support? Join DSI Systems as a Field Support Representative in Denver, Colorado. In this role, you will be the face of our company, ensuring customer satisfaction and resolving issues on-site. Your problem-solving skills and technical knowledge will be essential in maintaining our high standards of service.

Company OverviewRed 6 is a pioneering startup at the forefront of Augmented Reality (AR) technology, revolutionizing synthetic air combat training. Our flagship technology, which powers the Airborne Tactical Augmented Reality System (ATARS), allows pilots to encounter the cognitive challenges of flying while providing realistic, scalable training in dynamic outdoor settings.The RoleWe are in search of a Principal Systems Engineer to play a critical role in the development, integration, and verification of the ATARS throughout its entire product lifecycle. This position involves comprehensive system development, including requirements development and traceability, architecture definition, interface management, hardware/software integration, and leading formal design milestone reviews. The Principal Systems Engineer will collaborate in a cross-functional environment, working alongside hardware, software, optics, testing, and airworthiness teams to guarantee the technical performance, compliance, and mission readiness of complex integrated systems.ResponsibilitiesDevelop, decompose, and manage system and subsystem requirements utilizing approved requirements management tools.Establish and maintain the Requirements Verification Traceability Matrix (RVTM), ensuring bidirectional traceability from system requirements to verification artifacts.Create and manage Interface Control Documents (ICDs) for both internal and external system integrations (hardware, software, avionics, and platform interfaces).Lead and facilitate design milestone reviews, including System Requirements Review (SRR), Preliminary Design Review (PDR), Critical Design Review (CDR), and System Verification Review (SVR).Implement Model-Based Systems Engineering (MBSE) methodologies (SysML) to develop system architectures, functional decompositions, use cases, and interface models.Conduct trade studies and technical analyses to support design decisions and optimize performance.Manage resource allocations such as weight and power across various system components.Coordinate and oversee integration and verification activities in both laboratory and aircraft environments.Identify and manage technical risks, ensuring that mitigation plans are effectively established.Act as a technical liaison across internal teams and external partners to ensure alignment on system design and performance.