Systems Administrator - Deploy Only

Sierra Nevada Corporation; Florida; Hybrid; USD 95,000 - 125,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with match

Paid time off

Job summary

Sierra Nevada Corporation is seeking a Systems Administrator III to oversee complex systems in the Aerospace and Defense sector. You will lead configuration design, optimize performance, and enforce security across mission-critical environments.

Ideal candidates have 5+ years in IT, Windows/Linux expertise, and the ability to deploy internationally. This role requires a Top Secret with SCI eligibility and potential extended travel, with a hybrid office model.

Qualifications

• Bachelor's degree in information technology or a related field.
• 5+ years of experience in a related field; 9+ years if no degree.
• Extensive knowledge of Windows and Linux operating systems.
• Strong understanding of network and system security protocols.
• Willingness to deploy for extended periods to OCONUS locations.
• Active Top Secret with SCI eligibility U.S. security clearance.

Responsibilities

• Lead the design and implementation of advanced system configurations.
• Manage and optimize system performance and address complex issues.
• Implement and enforce comprehensive security measures.
• Provide expert-level troubleshooting and issue resolution.
• Maintain and update detailed system documentation.
• Coordinate system upgrades and modifications and conduct in‑depth tests.

Skills

OS expertise

Security protocols

Troubleshooting

Documentation

Interpersonal skills

Customer care

Ability to work extended hours

Communication

Education

Bachelor's degree in IT or related field

Tools

VMware

Hyper-V

AWS

Azure

VRealize

Job description

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator III, you will oversee the administration of complex systems, ensuring their robustness and reliability within the Aerospace and Defense sector. You will lead the development and implementation of system enhancements, manage security protocols, and provide expert-level troubleshooting. This role involves close collaboration with various IT teams to support mission-critical systems and business operations. 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.

Responsibilities:

• Lead the design and implementation of advanced system configurations.
• Manage and optimize system performance, addressing complex issues.
• Implement and enforce comprehensive security measures.
• Provide expert-level troubleshooting and issue resolution.
• Maintain and update detailed system documentation.
• Coordinate and manage system upgrades and modifications.
• Conduct in-depth system tests to ensure functionality and compliance.
• Oversee data handling, conversion, and storage solutions.

Qualifications You Must Have:

• Bachelor's degree in an information technology related field.
• 5+ years of experience in a related field.
• Relevant experience can be considered as a substitute for the required educational qualifications.
• In the absence of a degree, a minimum of 9 years of related experience is required.
• Higher level relevant degree may substitute for experience.
• Extensive knowledge of operating systems (e.g., Windows, Linux).
• Advanced understanding of network and system security protocols.
• Excellent interpersonal and communication skills to interact effectively with others.
• Demonstrate a customer care philosophy that ensures a high level of customer satisfaction.
• Proven organizational skills with an attention to detail.
• Ability to deploy for an extended amount of time to various OCONUS operating locations.
• Ability to meet current DoD and Combatant Command requirements for deployed locations.
• Successfully pass a pre-deployment medical assessment.
• Must be willing and able to work extended hours, holidays, and shift schedules as required.
• Current/valid passport and be able to obtain a visa to travel internationally.
• Willing to deploy OCONUS on an approximate 60/60 rotation.
• An active Top Secret with SCI eligibility U.S. Security Clearance is required.

Qualifications We Prefer:

• Certified Information Systems Security Professional (CISSP) or equivalent certification.
• Proficiency with virtualization technologies (e.g., VMware, Hyper‑V).
• Advanced scripting skills (e.g., PowerShell, Python).
• Experience with cloud services (e.g., AWS, Azure).
• 2-5 years' experience implementing and supporting AWS and Azure Operations.
• 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 troubleshoot network connectivity between Server Infrastructure.
• Certifications: AWS Cloud Foundations.
• Azure Fundamentals.
• One of the following: AWS Certified Solutions Architect - Associate.
• AWS Certified SysOps Administrator - Associate.
• AWS Certified Developer – Associate.
• Microsoft Certified: Azure Administrator Associate.

Essential Functions:

• Must be able to lift 25 lbs regularly.
• Work primarily at a computer for extended periods.
• Frequent use of hand/finger dexterity for computer work.
• Ability to work in an office or hybrid environment.
• Occasional travel may be required.

Benefits:

• 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.

IMPORTANT NOTICE: This position requires current/active Top Secret with SCI eligibility 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. Learn more about the background check process for Security Clearances.

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission‑focused, thrive in collaborative environments, and want to make our country stronger with state‑of‑the‑art technologies that safeguard freedom, join our team! SNC is a trusted global leader in aerospace and national security. Our innovative solutions enable connected protection through command, control and communications systems, as well as ISR, cyber, electromagnetic spectrum management, and other high capabilities for systems across all domains – sea, land, air, space and cyber. As a longstanding leader in defense technology, SNC is the optimum intersection of commercial, defense and non‑traditional contractors. We are one of the only privately owned mid‑tier A&D contractors and we pride ourselves on our ability to invest early and often to ensure mission success on or ahead of schedule. It’s part of our mission to always stay one step ahead; working on solutions today to solve the problems of tomorrow. Founded in 1963, SNC is owned by Chairwoman Eren Ozmen and CEO Fatih Ozmen.