Job description

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. Northrop Grumman’s CIDO Space Operations organization is seeking a qualified Computer Operations Analyst 2/3 - Linux Systems Administrator (RHEL) to provide server and systems administration support to include a high-demand, off-net/enclave production environment running primarily Red Hat Enterprise Linux (RHEL) at our Gilbert, AZ facility. Job responsibilities will include, but are not limited to, the following: Core Responsibilities • Administer, monitor, and troubleshoot server/client systems supporting offnet/enclave environments that operate behind a firewall. • Understand and correctly apply the difference between domain‑joined (high‑trust) systems and off‑domain/standalone systems using local accounts, including appropriate account management, authentication, and security practices for each. • Perform routine system administration tasks: account creation and management, permissions, storage, backups, and performance monitoring. • Troubleshoot hardware, OS, and application issues; perform root cause analysis and document resolutions clearly and consistently. • Support physical server maintenance, including racking/unracking equipment, cabling, and hardware swaps; ability to lift equipment up to 50 lbs. • Maintain accurate records in ServiceNow (or equivalent ITSM platform), including incident, change, and asset records; ensure SLAs are met and customer expectations are managed appropriately. • Support security compliance and vulnerability management activities, including remediation tracking using tools such as Tenable (vulnerability scanning), Armis (asset/network visibility), and ArcherGRC (governance, risk, and compliance documentation). • Provide on‑call/after‑hours support during production‑impacting incidents and scheduled maintenance windows, as needed. • Collaborate with engineering, security, and program teams to support IT initiatives across on‑net and offnet environments. Linux/RHEL- Specific Responsibilities • Administer Red Hat Enterprise Linux (RHEL) servers, including user/group management, file systems (LVM), and package management (yum/dnf). • Manage patching and content delivery through Red Hat Satellite Server, including content views, activation keys, and lifecycle environments. • Configure and maintain SELinux, systemd services, and networking on RHEL hosts. • Support Kickstart or other automated build/provisioning processes for RHEL deployment. • Write and maintain shell scripts to support routine administrative and monitoring tasks. Other considerations • Ability to work independently on routine tasks • Ability to lift equipment up to 50 lbs • Support occasional on‑call/after‑hours work, as needed Note: Due to the nature of the work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to apply, only if they are willing to work on-site. This position may be filled at either level 2, or level 3, depending on the below requirements. Basic Qualifications for level 2: • Master's Degree with 0 years of experience; OR a Bachelor's Degree with 2 years of experience; OR an Associate's Degree with 4 years of experience; OR a High School Diploma (or equivalent) with 6 years of experience is required • Experience administering Red Hat Enterprise Linux systems is required • Must have a CompTIA A+, Network+, Security+, or Linux+ OR must have the ability to obtain one within 6 months of hire • Candidates must have the ability to obtain a Secret level security clearance as a condition of continued employment Basic Qualifications for level 3: • Master's Degree with 3 years of experience; OR a Bachelor's Degree with 5 years of experience; OR an Associate's Degree with 7 years of experience; OR a High School Diploma (or equivalent) with 9 years of experience is required • Experience administering Red Hat Enterprise Linux systems is required • Must have a CompTIA A+, Network+, Security+, or Linux+ OR must have the ability to obtain one within 6 months of hire • Candidates must have the ability to obtain a Secret level security clearance as a condition of continued employment Preferred Qualifications: • Bachelor’s degree in Information Technology, Computer Science, or related field with 4 years of Linux/RHEL administration experience • Two or more years of Red Hat Enterprise Linux (RHEL 7/8/9) server administration in a classified, enclave, or similar secure enterprise environment • Red Hat System Administration certification(s) (e.g., RHCSA) and/or Linux+ certification • Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3–ICD 503, RMF, STIG, JAFAN, or JSIG information system environments • Familiarity with DFARS and NIST information security controls • Experience with NAS storage device administration and enterprise‑level storage concepts, including all commonly used RAID levels • Experience with Red Hat Satellite Server configuration and usage for patch and configuration management • Solid understanding of remediating security vulnerabilities; experience hardening Red Hat systems in accordance with RMF and STIGs, including host‑based firewall implementations and configuration (iptables or firewalld) • Experience building custom rpm software packages for Red Hat platforms • Scripting/automation experience (PowerShell, Bash, Python, or Ansible) • Cross‑platform experience (Windows and Linux/RHEL) • Experience with WSUS and/or Red Hat Satellite Server for enterprise patch management • Experience with MECM/SCCM, Active Directory, and Group Policy administration • Experience using ServiceNow or a similar ITSM platform for incident, change, and asset management • Strong troubleshooting and root‑cause‑analysis skills and good written and verbal communication • Experience supporting manufacturing or engineering operations, hardware, and software, or similar mission‑critical operational environments • Active Secret level clearance highly desirable We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. At Northrop Grumman, we are on the cutting edge of innovation. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program. Come join us! Primary Level Salary Range: $72,100.00 - $108,100.00 Secondary Level Salary Range: $89,400.00 - $134,200.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit northropgrumman.com. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Requirements

Must-haves

RELOCATION ASSISTANCE: No relocation assistance available
CLEARANCE REQUIRED FOR START: No
CLEARANCE TYPE: Secret
TRAVEL: Yes, 10% of the Time Description
Job responsibilities will include, but are not limited to, the following:
Administer, monitor, and troubleshoot server/client systems supporting offnet/enclave environments that operate behind a firewall.
Perform routine system administration tasks: account creation and management, permissions, storage, backups, and performance monitoring.
Troubleshoot hardware, OS, and application issues; perform root cause analysis and document resolutions clearly and consistently.
Support physical server maintenance, including racking/unracking equipment, cabling, and hardware swaps; ability to lift equipment up to 50 lbs.
Maintain accurate records in ServiceNow (or equivalent ITSM platform), including incident, change, and asset records; ensure SLAs are met and customer expectations are managed appropriately.
Provide on‑call/after‑hours support during production‑impacting incidents and scheduled maintenance windows, as needed.
Collaborate with engineering, security, and program teams to support IT initiatives across on‑net and offnet environments.

Nice-to-haves

Two or more years of Red Hat Enterprise Linux (RHEL 7/8/9) server administration in a classified, enclave, or similar secure enterprise environment
Red Hat System Administration certification(s) (e.g., RHCSA) and/or Linux+ certification
Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3–ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
Familiarity with DFARS and NIST information security controls
Experience with NAS storage device administration and enterprise‑level storage concepts, including all commonly used RAID levels
Experience with Red Hat Satellite Server configuration and usage for patch and configuration management
Solid understanding of remediating security vulnerabilities; experience hardening Red Hat systems in accordance with RMF and STIGs, including host‑based firewall implementations and configuration (iptables or firewalld)
Experience building custom rpm software packages for Red Hat platforms
Scripting/automation experience (PowerShell, Bash, Python, or Ansible)
Cross‑platform experience (Windows and Linux/RHEL)
Experience with WSUS and/or Red Hat Satellite Server for enterprise patch management
Experience with MECM/SCCM, Active Directory, and Group Policy administration

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Platform: eightfold
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Benefits

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Health Insurance

Vision

401k

Pto

Paid Time Off