Sierra Nevada Corporation

Systems Administrator II (Hybrid Work Schedule Eligible)

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Job Description

The Systems Administrator is responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure both located within the Business Area Network and remote services. This individual participates in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems, software systems, and related procedures adhere to organizational values, enabling staff, partners, and customers.

The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains – air, land, sea, space and cyber. Learn more about MST


  • Oversee the maintenance of servers in all capacities that include, but not limited to: configuring, installing new hardware/software, performing upgrades to existing servers & software, coordinating the introduction of additional servers and storage to the network, following security policies and procedures, and performing other technical duties as needed

  • Maintain servers and storage for business area business applications

  • Provide platform infrastructure support

  • Provide general business application support

  • Maintain detailed inventory of Business Area assets

  • Maintain documentation of network server configurations, application licensing agreements, and other third party software installed

  • Maintain server and related hardware

  • Responsible for backup systems process and procedures

  • Document repair/maintenance and change requests through ServiceNow ticketing system

  • Perform on call after hours support as part of the rotation

  • Work closely with the Application team and Development team to provide any required hardware support

  • Proactively monitor the infrastructure including servers to prevent issues and to resolve issues as they happen

  • Experience in developing applications in iOS, Microsoft, Linux Javascript, angular.js, webRTC preferred

  • Installing, maintaining, and troubleshooting wired/wireless networks and related equipment

  • Participate in testing of new software and hardware

  • Experience with standing up CI/CD infrastructure and software development support

  • Remediate compliancy issues including Cyber security compliance (CMMC)

  • Build prototype systems for demo and testing

  • Install and upgrade computer components and software, manage virtual servers, and integrate automation processes

  • Perform regular backup operations and implement appropriate processes for data protection, disaster recovery, and failover procedures

Must Haves:

  • Bachelor's Degree in a related field with, typically, or 3 more years of relevant experience

  • Higher education may substitute for relevant experience

  • Relevant experience may be considered in lieu of required education

  • 2-5 years' Experience implementing and supporting VMware (VRealize, VRealize Operations, VRealize Automation)

  • 2-5 years' Experience with IT Operations Monitoring Tools (PRTG, VROperations, Solarwinds)

  • Ability to Trouble shoot Network connectivity between Server Infrastructure

  • Experience with networks (LAN, WAN, VLAN) and patch management of devices

  • Familiarity with administration and troubleshooting various operating systems and platforms (Red Hat Linux, CentOS, Microsoft)

  • Good interpersonal relationship and communication skills and able to work with a wide variety of technical engineers and employees

  • Current/active US Secret Security Clearance is required prior to start


  • 2-5 years' experience implementing and supporting AWS and Azure Cloud Operations

  • Knowledge of system security and data backup/recovery

  • Experience with scripting languages/tools (Bash, Python, Perl, Powershell)

  • Familiarity with Designing, Building, and Fielding Systems while using engineering best practices for Configuration Management and Documentation

  • Resourcefulness and problem-solving aptitude

  • Self-motivated with ability to effectively prioritize multiple projects

  • Deal effectively with changing project priorities

  • Travel to other locations as required performing related duties

  • Experience with IDM (Identity Management) and Active Directory user and asset management

  • Experience in containerized software ecosystem: Docker, container deployment, Docker swarm, Docker security hardening (networking, monitoring, logging)

  • Cloud administration experience (AWS, IaC (Infrastructure as Code))

  • Basic Networking knowledge (VLANS, layer 2, Firewall Rules)

  • Experience with virtualization technologies on premise or cloud-based services such as Microsoft Azure, AWS VMs, VMware vCenter/ESXi, and Hyper-V

  • Atlassian toolset with the following priority (Bamboo, Bitbucket, Jira, Confluence)

  • Familiarity with Designing, Building, and Fielding Systems while using engineering best practices for Configuration Management and Documentation

  • Experience configuring, implementing and leveraging computer security and networking diagnostic/monitoring tools

  • Experience working with Developers, DevOps, and Engineering teams in a dynamic environment to promote/implement the DevSecOps program throughout the organization

  • One of the Following:

  • AWS Certified Solutions Architect – Associate

  • AWS Certified SysOps Administrator – Associate

  • AWS Certified Developer – Associate o Microsoft Certified: Azure Administrator Associate

  • CompTia certification (Security+, Network+, Server+) 

At Sierra Nevada Corporation (SNC) we deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. SNC has been honored as one of the most innovative U.S. companies in space, a Tier One Superior Supplier for the U.S. Air Force, and as one of America’s fastest-growing companies. Learn more about SNC


Estimated Starting Salary Range: $79,264.96 – $108,989.32. SNC considers several factors when extending job offers, including but not limited to candidates’ key skills, relevant work experience, and education/training/certifications.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.


This position requires current/active Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

At Sierra Nevada Corporation (SNC), our mission is to dream, innovate, inspire and empower the next generation to transform humanity through technology and imagination. As an Equal Opportunity Employer, we welcome our employees to bring their whole selves to their work. SNC is committed to fostering an inclusive, accepting, and diverse environment free of discrimination.  Employment decisions are made without regarding to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran or other characteristics protected by law. Contributions to SNC come in many shapes and styles, and we believe diversity in our workforce fosters new and greater ways to dream, innovate, and inspire.

Job Summary

Folsom, CA Location
Full Time Job Type
Sierra Nevada Corporation

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