System Admin Network Admin Jobs in Nebraska (NOW HIRING)

Purpose and Impact:

This position is contingent upon award of contract, business needs, and funding availability. We are seeking Mid-Level Network & Systems Administrators to provide comprehensive support to Air Force Sensitive Compartmented Information (AFSCI) network environments and enterprise IT systems in various locations. This role supports Air Combat Command (ACC) Intelligence, Surveillance, and Reconnaissance (ISR) operations by ensuring the reliability, security, and performance of classified network infrastructure, cloud services, and mission systems.

The ideal candidate will have hands-on experience in network operations, systems administration, cloud environments, and cybersecurity compliance, with the ability to operate independently while supporting complex, multi-domain IT environments.

Essential Responsibilities:

• Serve as the local Air Force Sensitive Compartmented Information (AFSCI) Network Administrator, supporting all SCIFs and subordinate units.
• Perform installation, configuration, and maintenance of servers, workstations, and network systems supporting classified operations.
• Ensure operational availability and performance of Command, Control, Communications, Computers, and Intelligence (C4I) systems.
• Support all aspects of network service management to include user support, performance management, account management, security management, and fault management.
• Install, configure, update, and troubleshoot local base AFSCI network IT and network requirements, to include the following: Hardware and firmware updates, encryption devices, data networks, network drops, and network devices such as switches, routers, VoSIP, and firewalls.
• Administer the configuration and performance of network assets and ensure network infrastructure connectivity through network management toolsets and administrative functions
• Perform installation, troubleshooting, maintenance, and repair of network switches, TACLANES, routers, computer data circuits, hardware installations, VOIP, DVTC, and related apparatus and peripherals required to network infrastructure.
• Provide technical solutions, including but not limited to, copper and fiber into a heterogeneous, manageable system for new and existing AFSCI network customers.
• Administer network IP address space, domain name system (DNS), dynamic host configuration protocol (DHCP), and Wide Area Network (WAN) infrastructure
• Perform help desk support of IT systems
• Perform and provide technical solutions, guidance, and expertise for a variety of software and hardware taskings, including installation, removal, maintenance, configuration management, and restoration for all systems-based Enterprise Core Services
• Support implementation of RMF (Risk Management Framework) and Zero Trust principles.

Work Environment, Physical Demands, and Mental Demands: This position supports sensitive programs and requires strict adherence to DoD, Air Force, and IC cybersecurity, information assurance, and intelligence oversight standards.

Minimum Requirements (Knowledge, Skills, and Abilities):

• Candidates must meet all DOD 8140 451 and 462 Cyber Workforce Framework (DCWF) requirements for installing, configuring, maintaining and securing IT hardware & software.
• Proven experience in enterprise network infrastructure and troubleshooting, systems administration (Windows/Linux environments)
• Strong knowledge of network protocols, infrastructure, and system administration
• Experience with virtualization, cloud computing, and DevSecOps practices
• Demonstrated ability to troubleshoot complex technical issues across multiple domains

Additional Requirements:

• Willingness to comply with all DoD, Air Force, and local security and conduct standards
• Ability to complete required training and maintain qualifications throughout the contract
• Availability for CONUS and OCONUS support as mission requirements dictate
• Contractor-provided training and certification upkeep (unless Government-directed)
• Ability to obtain and maintain required program, system, and facility access

Security Clearance Required:

• TS/SCI eligibility. A polygraph may be required for some positions.

Minimum Education:

• Bachelor's degree in Information Technology, Computer Science, Engineering, or related field OR Associate's degree plus 4 additional years of experience (total 10 years)

Minimum Years of Experience:

• 6 years of experience in network administration, systems administration, or related IT/ISR support roles, with recent experience within the last 2 years.

Required Certifications:

• Must meet DoD 8140.02 / DoDM 8140.03 Cyberspace Workforce Qualification Requirements
• Appropriate DCWF role alignment (e.g., Cyber Defense Analyst, ISSO, Network or Systems Security roles)
• Ability to obtain/maintain additional certifications as required (e.g., Security+, CE, CASP+, or equivalent)
• Certification eligibility prior to contract performance (tracked and reported per Government standards)

Preferred Qualifications:

• Experience in DoD, Air Force, or Intelligence Community networks or systems administration, including AFSCI or AFDCGS network operations
• Knowledge of cloud and hybrid environments (AWS, Azure, Google, Oracle, IC GovCloud)
• Familiarity with RMF, continuous monitoring, and security control assessments
• Experience supporting ISSO, Systems Administrator, or Network Security functions
• Familiarity with IC ITE architecture and Commercial Cloud Enterprise (C2E)
• Experience with COMSEC equipment and encryption devices
• Knowledge of Zero Trust architecture implementation
• Strong written and verbal communication skills

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum's role as a federal contractor and trusted partner to the US Government.

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

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