Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Systems Administrator Secure, Mission-Critical Infra

Leidos

Leidos Inc is seeking a Senior Systems Administrator in Englewood, CO to manage mission-critical Linux and Windows systems. This role involves leading system operations, troubleshooting complex issues, and collaborating with cybersecurity teams. Successful candidates will possess a Bachelor's degree in Computer Science or related field with 8-12 years of relevant experience, along with necessary certifications. Competitive compensation and benefits package is offered. #J-18808-Ljbffr Leidos

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Systems Administrator Secure, Mission-Critical Infra in Englewood, CO vacancy
  • $92.3k - $166.85k

    Leidos is seeking a Senior Systems Administrator to manage critical systems affecting intelligence and geospatial initiatives. You will take the lead in both Linux and Windows environments, ensuring security and optimal performance of systems. The role requires extensive... 
    Senior

    Leidos

    Englewood, CO
    2 days ago
  • $92.3k - $166.85k

     ...technology-enabled services and mission software capabilities in...  ...areas of cyber, logistics, security operations, and decision...  ...pursuit to protect people and critical assets. The Chinook Program is currently seeking a Senior Systems Administrator. As a senior member of our... 
    Senior
    Contract work

    Leidos

    Englewood, CO
    12 hours ago
  • Cornerstone Defense, located in Aurora, CO, is seeking a Senior Linux Systems Administrator. This role involves supporting a classified program, maintaining secure IT systems, and resolving technical issues. Candidates must have a Bachelor's degree and active TS/SCI clearance... 
    Senior

    Cornerstone Defense

    Aurora, CO
    5 days ago
  •  ...have a BS degree in Computer Science or 8 years of experience in software development. An active TS/SCI clearance is required, along with U.S. Citizenship. This is an onsite position supporting mission-critical technologies. #J-18808-Ljbffr Avenue Technologies Defunct
    Senior

    Avenue Technologies Defunct

    Aurora, CO
    1 day ago
  • $120k - $165k

    Join Voyager Technologies, Inc. as a Systems Administrator in Denver, CO. This role requires a TS/SCI security clearance and involves managing and maintaining critical IT infrastructure. Key responsibilities include administering Microsoft 365 and Azure environments, optimizing... 
    Suggested

    Voyager Technologies, Inc.

    Denver, CO
    4 days ago
  •  ...Department of the Air Force. This hybrid role entails applying advanced engineering principles for secure WAN solutions and developing deliverables for mission-critical projects. The ideal candidate will have substantial experience in WAN architecture and design, proven... 
    Senior

    Lumen Inc

    Denver, CO
    5 days ago
  • $125k - $145k

    Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range...  ...they have supporting the mission. Our team is pushed every...  ...’s toughest and most secure problems. If you are looking...  ...supporting customer mission‑critical capabilities. Working... 
    Senior

    Cornerstone Defense

    Aurora, CO
    5 days ago
  • $160k - $225k

     ...build the technology that secures it. Our Mission True Anomaly delivers decisive...  .... Your Mission As a Senior Enterprise Security Engineer...  ...own solutions for our most critical infrastructure. In one project...  ...hardening standards for Linux systems. Conduct regular security... 
    Senior
    Permanent employment

    Menlo Ventures

    Denver, CO
    1 day ago
  •  ...Lone Tree, Colorado, is looking for a Senior Systems Security Engineer to lead the design and...  ...junior engineers while administering critical engineering applications. The ideal candidate...  ..., proficiency in application administration in Linux environments, and a currently... 
    Senior

    Sierra Nevada Corporation

    Littleton, CO
    5 days ago
  •  ...Senior Systems Administrator The City of Englewood is a vibrant city of over 34,000 residents and over...  ...infrastructure, including system security, standards, and operational procedures...  ...backup and recovery procedures to protect critical information in the event of system... 
    Senior
    Full time
    Part time
    Work experience placement
    Seasonal work
    Remote work

    GovernmentJobs.com

    Englewood, CO
    5 days ago
  • $155k - $175k

     ...Innovative Solutions Company, delivers mission-focused technology solutions to the...  .... Since 2008, we have supported critical national security programs by building high-...  ...motivated, career, and customer‑oriented Systems Administrator Level 2 to join our team in Aurora,... 
    Senior
    Hourly pay
    Contract work
    Work experience placement

    Envision Innovative Solutions

    Aurora, CO
    1 day ago
  • $69.72 - $79.33 per hour

     ...located in Aurora, Colorado, is seeking an experienced System Administrator to support mission-critical enterprise IT systems. The ideal candidate will have...  .... The position involves troubleshooting, maintaining secure infrastructure, and improving system performance to... 
    Senior
    Hourly pay

    EverWatch

    Aurora, CO
    1 day ago
  • $70k - $100k

    Maximus is seeking a Journeyman System Administrator in Denver, Colorado, to oversee critical patching and remediation operations across enterprise IT environments. The role requires at least 7 years of experience in system administration, focusing on vulnerability management... 
    Senior

    Maximus

    Denver, CO
    5 days ago
  • A leading staffing agency is seeking a Senior Technical Systems Administrator in Englewood, Colorado. This fully onsite role involves effective provisioning...  ...to technical strategy within the organization while ensuring compliance with security policies. #J-18808-Ljbffr JSfirm
    Senior

    JSfirm

    Englewood, CO
    3 days ago
  • Leidos seeks a highly accomplished Senior Contracts Manager for the National Solutions Business Area. This position involves providing contractual guidance for critical national security missions, alongside business leaders and program teams. The successful candidate will... 
    Senior

    Leidos

    Englewood, CO
    2 days ago
  • $100k - $110k

     ...seeking an experienced Senior Network Administrator to lead the delivery of secure, resilient, and high-performing...  .... This role is critical to supporting a large-scale...  ...partner closely with Systems Administration,...  ...-to-day operations and mission-critical, real-time events... 
    Senior
    Full time
    Remote work

    Denver Broncos and Stadium Management Company

    Englewood, CO
    1 day ago
  • Position Systems Administrator, Senior Analyst - Raytheon Digital Technology - ASDS Programs Location: Buckley...  ...Collaborate with a diverse team to support mission‑critical classified programs. Maintain system health and security posture. Research issues, determine root... 
    Senior
    Temporary work
    Casual work
    Relocation
    Flexible hours

    SwiftCruit

    Aurora, CO
    1 day ago
  • $330k - $360k

    ## Senior Vice President, Mission Critical Operations, NAApplylocations: Denver, Colorado: Phoenix, Arizona: Santa...  ...(MCO) is responsible for the safe, secure, and uninterrupted operation of...  ...leader owns the day-to-day operating system across Site Operations, Field Engineering... 
    Senior
    Temporary work
    Local area
    Flexible hours

    Vantage Data Centers

    Denver, CO
    2 days ago
  • $155k - $215k

    Burns & McDonnell is seeking an experienced Electrical Engineer in Denver, Colorado to design electrical systems for the Mission Critical market. The role involves advising clients, ensuring compliance with regulations, and managing project resources effectively. Candidates... 
    Senior

    Burns & McDonnell

    Denver, CO
    5 days ago
  • $165.01k - $226.89k

    ## Principal Systems Security Engineer / Senior ISSMApplyremote type: In officelocations...  ...Operations Center (SAOC) mission. Join the SNC-led SAOC...  ...Staff to ensure continued critical command, control and...  ...Red Hat Certified System Administrator (RHCSA) or equivalent Linux... 
    Senior
    Work experience placement
    Work at office

    Sierra Nevada Corporation

    Littleton, CO
    5 days ago
  • A leading technology consulting firm is seeking a Senior Cloud Computing Application Architect to design cloud-based solutions for mission-critical applications. The role requires extensive experience in microservices and cloud solutions, as well as a TS/SCI clearance with... 
    Senior
    Remote job

    Phase2 Technology

    Aurora, CO
    1 day ago
  • $115k - $120k

     ...Edgewater Federal Solutions is seeking a Senior Systems Administrator to join our team. The Senior Systems...  ..., ensuring optimal performance. Security and Compliance: Implement and maintain...  ...and admired for supporting customer missions through employee empowerment, exceptional... 
    Senior
    Contract work
    Flexible hours

    Edgewater Federal Solutions

    Denver, CO
    1 day ago
  • Senior Systems Administrator Are you excited by the idea of supporting the infrastructure...  ..., build, and maintain the critical infrastructure that...  ..., manufacturing, and mission operations. This is an opportunity...  ...Collaborating with security teams to implement and maintain... 
    Senior

    EVONA

    Denver, CO
    1 day ago
  •  ...RedHat (RHEL) developers through troubleshooting complex Operating System problems, including IBM Power HA (High Availability) and RHEL...  ...and AIX platforms and expertise with clustering to ensure all critical resources are available, reliable and load‑balanced Sound... 
    Senior
    Full time

    Infozone Inc

    Littleton, CO
    3 days ago
  • $80k - $95k

     ...growers across the U.S. Our mission is to provide tools,...  ..., operation, security, performance, and continuous...  ...of company’s IT systems, servers and endpoints...  ...operations, and security administration. Operate within a service...  ...and AD&D Accident and Critical Illness At least ten (... 
    Full time
    Temporary work
    Part time
    Work at office
    Local area
    Remote work
    2 days per week
    3 days per week

    GrowGeneration Corp

    Greenwood Village, CO
    2 days ago
  • $128.4k - $226.44k

    Overview Space is a critical domain, connecting our technologies, our security and our humanity. While others view...  ...team has supported the Navy’s mission to provide affordable and...  ...The responsibilities of a Senior Staff Electrical Systems Integration Engineer include... 
    Senior
    Full time
    Contract work
    Temporary work
    For contractors
    Work experience placement
    Work at office
    Remote work
    Relocation
    Flexible hours
    Shift work

    Lockheed Martin

    Littleton, CO
    2 days ago
  • $127.5k - $192.53k

     ...We’re looking for a Network Security Engineer Specialist to join our...  ...This role supports business-critical applications and services across...  ...for incidents. Act as a senior escalation point for major issues...  ...two Workday application systems. If you don't see one of your... 
    Senior
    Full time
    Work at office
    2 days per week
    3 days per week
    Weekday work

    Worldpay

    Denver, CO
    3 hours ago
  • EVONA in Denver, Colorado is seeking a Senior Systems Administrator to support mission-critical infrastructure for aerospace advancements. You will manage enterprise backups, optimize VMware environments, and design Azure infrastructure, enhancing collaborative engineering... 
    Senior

    EVONA

    Denver, CO
    1 day ago
  • $155k - $215k

    Responsibilities Design electrical systems and equipment to provide a useful and safe environment for the Mission Critical market in accordance with the clients’ requirements for reliability and uptime. Advise clients regarding electrical systems and requirements to meet... 
    Senior

    Burns & McDonnell

    Denver, CO
    1 day ago
  •  ...candidate will lead and support developers in complex troubleshooting scenarios, ensuring high availability and performance of critical systems. This role requires strong expertise in Perl, Amazon Web Services, and RedHat Linux, along with a Bachelor's Degree and a... 
    Senior
    Full time

    Infozone Inc

    Littleton, CO
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Systems Administrator Secure, Mission-Critical Infra. Be the first to apply!