Senior System Administrator
$120.9k - $130kKBR
Title: Senior System Administrator Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. As a Senior System Administrator, you will be responsible for developing and implementing secure, end-to-end cluster and application lifecycles in cloud environments. You will collaborate with clients and internal teams to design and implement containerization solutions using Kubernetes or Docker. A key aspect of your role will involve building and maintaining CI/CD pipelines, ensuring a smooth, secure software update process. Additionally, you will apply GitOps principles for software delivery automation, ensuring that systems are both efficient and secure. Your work will support the organization's goals of enhancing security, scalability, and operational efficiency. Why Join Us? Innovative Projects: At KBR, you'll be working on cutting-edge projects that support the U.S. Space Force's most mission-critical operations. Our team is pushing the boundaries of DevSecOps with state-of-the-art CI/CD pipelines, cloud-native architectures, containerization using Kubernetes, and advanced automation tools like Terraform and Ansible. You'll be contributing to systems designed for real-time satellite communication, space domain awareness, and defense technology that are revolutionizing the future of space operations. Collaborative Environment: Team Beskar thrives in a dynamic, mission-driven environment where our employees work shoulder-to-shoulder with software engineers, DevSecOps architects, product leads, trainers, facilitators and defense specialists. We embrace Agile methodologies and secure development practices to ensure rapid iteration, compliance alignment, and seamless integration across modular systems. Our culture prioritizes clarity, precision, and innovation—fostering open communication, iterative refinement, and deep collaboration to deliver documentation that’s not only compliant, but strategic and impactful across DoW. Impactful Work: Your work here will directly support the Space Force in securing national defense assets and advancing space technology. By supporting KBR initiatives, you’ll be at the forefront of innovations that safeguard satellites, enhance space situational awareness, and strengthen U.S. space dominance. Your contributions will have real-world impacts, from improving software resilience to enhancing global communications and security operations in space. Key Responsibilities: Manage and maintain the Gravity DevSecOps Pipeline infrastructure, including servers, networks, storage, and cloud environments. Oversee configuration, monitoring, and troubleshooting of pipeline components to ensure high availability and optimal performance. Implement and manage containerization platforms (e.g., Docker, Kubernetes) and virtualization solutions. Ensure infrastructure scalability and reliability to meet evolving project demands. Support the automation of deployment and operational tasks using Infrastructure-as-Code (IaC) tools like Ansible, Terraform, or CloudFormation. Collaborate with developers and DevOps engineers to ensure smooth and secure integration of new software components into the pipeline. Optimize CI/CD workflows to increase development speed, reliability, and security. Maintain the security of the Gravity pipeline infrastructure by enforcing DevSecOps best practices. Implement patches, updates, and security controls in accordance with Space Force and DoD standards. Ensure compliance with security policies, including STIGs (Security Technical Implementation Guides) and other government regulations. Work with security teams to conduct vulnerability assessments and audits to mitigate risks. Develop and maintain monitoring solutions to track system performance, availability, and security. Respond to system outages, performance bottlenecks, and security incidents in real time, ensuring quick resolution and minimal impact. Implement disaster recovery and backup procedures to ensure business continuity. Work closely with development, operations, and security teams to ensure system stability and efficient workflows. Create and maintain comprehensive documentation for system configurations, procedures, and best practices. Participate in regular reviews and updates of the infrastructure to support continuous improvement. Qualifications Required: Security Clearance: Secret clearance required to be considered for this position Education: Bachelor’s degree in Information Technology, Computer Science, or a related field (or equivalent experience). Experience: 5+ years of experience as a System Administrator, DevOps Engineer, or similar role supporting complex infrastructures. Proficiency in managing Linux/Unix-based and Windows-based environments. Hands‑on experience with CI/CD pipelines and DevSecOps methodologies. Familiarity with containerization tools (e.g., Docker, Kubernetes) and virtualization technologies. Experience with configuration management and automation tools (e.g., Ansible, Terraform, Chef, Puppet). Understanding of network management, storage solutions, and cloud platforms (e.g., AWS, Azure, Google Cloud). Strong knowledge of security protocols, including patch management, firewalls, and intrusion detection/prevention systems. Strong analytical and problem‑solving abilities. Excellent communication and collaboration skills to work with cross‑functional teams. Ability to work in a fast‑paced environment with minimal supervision. Proactive mindset with a focus on continuous improvement and automation. Desired: Security Clearance: Top Secret with SCI Experience working within DoD, Space Force, or other defense-related environments. Familiarity with STIGs, RMF, or other government compliance frameworks. Certifications such as CompTIA Security+, AWS Certified SysOps Administrator, or Red Hat Certified System Administrator (RHCSA). Basic Compensation: Basic Compensation: $120,900 - $130,000 (For Colorado Springs, CO Only) The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity. Additional Compensation: KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels, per internal policy or contractual designation. Additional compensation may be in the form of a sign on bonus, relocation benefits, short-term incentives, long-term incentives, or discretionary payments for exceptional performance. Belong, Connect and Grow at KBR At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law. KBR — Delivering Solutions, Changing the World. KBR brings together the best and brightest to deliver science, technology and engineering solutions that help governments and companies around the world accomplish their most critical missions and objectives. In everything we do, we are guided by our ONE KBR Values: In everything we do, we are guided by our ONE KBR Values: We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential. We Deliver – We are uncompromising in our commitment to deliver innovative, high-quality, technology-led solutions for our customers and exceptional, sustainable value for all our stakeholders. We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business. We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision-makers, to be adaptive to change, and to succeed. We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company. We have also embedded environmental, social and governance (ESG) principles in every business operation and corporate function. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals. Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries. At KBR, We Deliver. Fraud Alert Fraud has infiltrated the job placement market via the internet, email and direct phone contact. Attempts have included unauthorized use of KBR’s name and logo to solicit potential job seekers or to extend false job offers. Bad actors may mix in fake job advertisements with legitimate postings. These ads can include contact instructions and require job seekers to send sensitive personal information or money to pay for visa applications, processing fees, etc., in exchange for consideration for a high-paying position. KBR will never ask for any sort of advance payment as part of the recruiting/hiring process. Candidate profiles are carefully managed to protect personal information. #J-18808-Ljbffr KBR
$80k - $120k
...15 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes -... ...Description SAIC seeks a highly experienced and energetic Senior System Administrator to support the US Space Force, Space Systems...SeniorFull timeRemote workShift work$90k - $120k
...Why This Role Matters At Bluestaq, mission success depends on systems that are secure, reliable, and always ready. As a Senior Systems Administrator, you'll keep critical infrastructure running — maintaining, monitoring, and troubleshooting the applications and systems...SeniorWork experience placementLocal areaImmediate startRelocationRelocation packageShift work$92.5k - $171.5k
...land, sea and cyber domains in the interest of national security. Job Title: Specialist, Cyber Infrastructure Systems Engineer (System Administration) Job Code: 42971 Job Location: Colorado Springs, CO Job Schedule: Standard 5/8 Job Description: We are...SeniorLocal areaFlexible hours$120k - $160k
...Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day... ...SAIC is seeking an experienced Senior Service Validation and Testing (SVAT) Lead... ...ideal candidate will bridge the gap between systems engineering and live warfighting operations...SeniorFull timeTemporary workRemote workShift work$112.2k - $196.4k
...potential. Unleash your talent and redefine what’s possible. Job Description: Parsons is looking for an amazingly talented Systems Administrator to join our team! In this role you will get to plan and maintain infrastructure environments. This position is located in...SeniorFull timeRemote workFlexible hours- We are supporting a growing technology organisation seeking a Senior Systems Administrator to manage and scale its internal IT and network infrastructure. This role is hands-on and varied, combining day-to-day IT support with longer-term systems, security, and automation...Senior
$125k - $155k
...Description Job Description Why This Role Matters At Bluestaq, mission success depends on systems that are secure, reliable, and always ready. As a Senior Staff Systems Administrator, you won't just keep the lights on — you'll set the technical bar for how we operate and...SeniorFull timeTemporary workLocal areaImmediate startRelocationRelocation packageFlexible hoursShift work$115k - $191.65k
...Senior Systems Administrator Salary Statement Estimated Starting Salary Range: USD $115,000.00/Yr. - USD $191,650.00/Yr. Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market...SeniorFor contractorsLocal area$92.5k - $171.5k
...the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Cyber Infrastructure Systems Engineer (Systems Administrator) Job Code: 44426 Job Location: Colorado Springs, CO Job Schedule: 5/8 - Employees work...SeniorLocal areaFlexible hours- DescriptionSAIC is seeking a System Administrator in support of North American Aerospace Defense Command (NORAD)/United States Northern Command (USNORTHCOM) Information Technology (IT) Enterprise Services (NITES). The purpose of NITES is to enable the J6 to provide enterprise...Senior
$112.2k - $196.4k
...full potential. Unleash your talent and redefine what’s possible.Job Description:Parsons is looking for an amazingly talented Systems Administrator to join our team! In this role you will get to plan and maintain infrastructure environments. This position is located in...SeniorFull timeRemote workFlexible hours- ...WE ARE MORE - now, come be more with us! Job Summary: Seeking fulltime Senior Level IT- Systems Admin/Engineer. This role will perform a variety of technical tasks such as setting up administrator and service accounts, maintaining system documentation, tuning system performance...SeniorFull time
$135k - $165k
Modern Technology Solutions, Inc. (MTSI) is searching for a Systems Administrator - Senior to support United States Space Force (USSF) by developing software in support of Space Systems Command (SSC) Defensive Cyber Operations rapid agile development of defensive cyber...SeniorFull timeContract workWork experience placementLocal areaImmediate startRemote workWorldwideFlexible hours$69.1k - $141.5k
...Job Title: Infrastructure Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required... ...End: 9/30/2026The Opportunity:CACI is looking for a Systems Administration Design Engineer to perform System Administrator development and...Contract workFor contractorsWork experience placementFlexible hours$80k - $120k
...Description SAIC is seeking a skilled and motivated System Administrator in Colorado Springs, CO to join our team and play a key role in managing and advancing our IT infrastructure within a Department of Defense (DoD) environment. In this role, you will be responsible...- ...System AdministratorASRC Federal System Solutions LLC is seeking a System Administrator to support the U.S. Space Force's Critical Satellite Communications (C-SAR) mission in Colorado Springs, Colorado. In this role, you will help ensure the reliability, performance, and...
$110.8k - $185.1k
...American Systems Job Post AMERICAN SYSTEMS is an employee-owned federal government contractor... .../SRG application, and SOP development. Senior proficiency recommended due classified... ...requirements for the Systems Administrator work role, designated as work role code...For contractorsWork experience placement$90k - $93k
Five Rivers Analytics, an Akima company, is hiring a VMware Systems Administrator to support the Satellite Control Network Operations, Remote Site and Mission Partner Support (STORMS) contract. The Systems Administrator provides a broad range of hands-on work to include...Full timeContract workPart timeFor contractorsWork experience placementRemote workFlexible hoursShift workNight shift$80k - $105k
...Junior System Administrator PeopleTec seeks a Junior System Administrator for on-site program support at Peterson Air Force Base. The Junior Cybersecurity Systems Administrator is responsible for the administration, security, configuration, maintenance, and sustainment...Work experience placementLocal area- The System Administrator II provides advanced system administration, maintenance, and support for government clients within Trace3’s Federal, State, and Local practice. This role ensures the availability, performance, and security of IT infrastructure across on-premises...Work at officeLocal area
$68.5k - $110k
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...Work at officeLocal areaRemote workMonday to Friday- Systems Administrator II About the Job The purpose of this position is to provide advanced systems administration and Tier III technical support with considerable independence, initiative, and sound technical judgment. This position supports, maintains, and improves Microsoft...Full timeWork experience placement
$79.05k - $137.45k
Responsibilities The Systems Administrator will work closely with the system administrator team overseeing the comprehensive lifecycle of system development, integration, and testing in secure environments. This role involves developing and maintaining system requirements...Hourly payContract workTemporary workFor contractorsWork experience placementRemote work- Description The Systems Administrator supports the Missile Defense Agency (MDA) under the Integrated Research and Development for Enterprise Solutions (IRES) contract. The role provides customer-facing technical support, troubleshooting, break/fix coordination, system patch...Full timeContract workWork experience placementLocal areaRemote workMonday to FridayShift workWeekend workDay shift
$114k - $129k
...including software development, air and missile defense, and systems engineering. IERUS develops value for our defense and commercial... ...This is an opportunity to join the IERUS team as a Systems Administrator supporting a large Missile Defense Agency program. Responsibilities...Work experience placementCasual workRemote work- ...Job Description Job Description Hatalom Corporation is seeking a highly motivated and skilled Simulation System Administrator I in support of the Mission Training Complex (MTC) program at Ft. Carson, Colorado . In this role, you will provide military units with...Full timeLocal areaRelocation package
$110k - $120k
...struggles, and failures - not just their success. We appreciate the individuality of the people around us. JOB SUMMARY: The System Administrator II provides advanced system administration, maintenance, and support for government clients within Trace3’s Federal, State,...Full timeLive inWork at officeLocal areaFlexible hours- ...Job Description Paragon Cyber Solutions has an immediate opening for those ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedicated engineers that pride themselves in analyzing the most difficult challenges. SEWS...Contract workTemporary workFor contractorsWork experience placementLocal areaImmediate startRemote workWeekend work
$135k - $165k
Modern Technology Solutions, Inc. (MTSI) is searching for a Systems Administrator - Senior to support United States Space Force (USSF) by developing software in support of Space Systems Command (SSC) Defensive Cyber Operations rapid agile development of defensive cyber...SeniorContract workWork experience placementLocal areaRemote work$100.2k - $203.4k
...drive positive, lasting change that moves missions and the government forward! Accenture Federal Services is seeking a Cloud Systems Administrator with Microsoft Windows and Linux administration experience in support of a dynamic and engaging mission. This position will...Live inWork at officeLocal area
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