Principal / Sr. Principal Systems Administrator (AHT)
$114k - $213.4kNorthrop Grumman
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.
Northrop Grumman Space Systems is seeking a Principal or Sr. Principal Systems Administrator to join our team at our facility in Aurora, Colorado.
Job responsibilities will include, but not be limited to, the following:
- Perform as a Linux and Windows System Administrator on large government contracts.
- Perform administration on VMware technologies (or related)
- Experience with all aspects of NAS Storage
- Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management.
- Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
- Provide backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis.
- Create and maintain user and computer accounts and modify file permissions and security access lists.
- Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).
- Support the Cyber Security team.
- Report on project status as required for all recurring and non-recurring efforts.
This position can be staffed at t he Principal or Sr. Principal level, based on the basic qualifications below.
Basic Qualifications:
- Principal: 5 Years with Bachelors in Science; 3 Years with Masters; 1 Year with PhD. 4 additional years required in lieu of a degree.
- Sr. Principal: 8 Years with Bachelors in Science; 6 Years with Masters; 4 Years with PhD. 4 additional years required in lieu of a degree.
- United States Citizenship is required in order to be considered.
- Must have an active U.S. Government Top Secret security clearance at time of application, current and within scope, with the ability to obtain and maintain SCI approval/access.
- Must have an adjudicated Full Scope Polygraph at time of application.
- Must have server administration experience with Linux (RedHat Enterprise Linux is preferred) and Windows
- Perform administration on VMware technologies (or related)
- Must have a DOD 8570 IAT Level 2 baseline certification (example: Security+ CE); OR must have the ability to obtain one within 6 months of start date.
- Experience with NAS storage device (preferably NetApp) administration (ONTAP 8.x or higher; CDOT)
- Ability to lift equipment weighing up to 40 pounds.
- Ability to support after hours and on weekends as needed
Preferred Qualifications:
- Higher degree in a STEM-related discipline
- Network hardware and configuration
- 6+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment
- Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
- Solid understanding of Enterprise-level storage concepts to include all commonly used RAID-levels
- Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and STIGs
- Identity Management (Single Sign-On) experience
- VMware and ESXi (6.x or higher) configuration and management experience
- Experience with host-based firewall implementations and configuration (Redhat “iptables”)
- Windows 10 administration experience; Windows Server experience; Group Policies (GPOs) experience; Active Directory management experience
- Solid writing skills and use of Wiki pages and SharePoint sites for documentation
- DoD 8570 Certification in a primary OS (Windows, Linux, Cisco)
- Currently valid Security+ CE, CASP, CISSP, or similar security certification
- Experience in VMWare, NetApp and Splunk among other industry standard technologies. Comfortable with maintenance and OS upgrades
- Preferred candidate will be familiar with Tenable and Nessus scans for vulnerability and controls implementation.
#LI-VC2
#SPEnhancedERAP
Primary Level Salary Range: $114,000.00 - $171,000.00Secondary Level Salary Range: $142,200.00 - $213,400.00The 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 U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.- Riverstone Enterprise Solutions in Aurora, Colorado seeks a motivated Principal Systems Administrator to join our mission-focused team. You will provide implementation, troubleshooting, and maintenance of IT systems, support Tier I and II issues, and optimize operations...Principal
- ...and mission support solutions to the Intelligence Community. We are seeking a motivated, career, and customer-oriented Principal Systems Administrator to join our team in Aurora, Colorado. PRIMARY RESPONSIBILITIES Provide support for implementation, troubleshooting,...PrincipalImmediate start
$134.1k - $241.4k
...space solutions by teaming highly respected subject matter experts with brilliant technologists. Parsons is seeking a Senior Systems Administrator who has extensive experience with Navy software systems. In this role you will get to support a high visibility Navy Program...PrincipalFull timeWork at office$129.3k - $193.9k
...PolygraphTRAVEL: 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...PrincipalSeniorFull timeRemote workRelocation packageShift workWeekend work- Cloud Software Group in Aurora, CO seeks a Sales and Technical Strategy leader to define and drive the technical sales strategy for SecurSpaces across strategic accounts and regions. You will partner with Account Executives to plan, qualify, and execute executive engagements...PrincipalSenior
- University of Colorado Anschutz is seeking a Faculty Affairs Lead (Open Rank Senior to Principal Professional) to run the day-to-day Faculty Affairs operations in the Department of Psychiatry. The role covers onboarding, credentialing, promotions, and annual cycles, with...PrincipalSenior
- ...Pulmonary Sciences and Critical Care Medicine. This senior to principal role oversees post-award grant management, inventory,... ...ranks offer competitive pay and opportunities across research administration, finance, and compliance within a renowned academic medical...PrincipalSenior2 days per week3 days per week
- The University of Colorado Anschutz Medical Campus in Aurora, CO seeks two Research and Grants Specialists (Open Rank, Senior or Principal) to oversee grant management for diverse, multi-site projects. The role involves heavy reporting, collaboration with investigators,...PrincipalSenior3 days per week
- Northrop Grumman Space Systems in Aurora, Colorado is seeking a Systems Administrator - Level 5 to support large government contracts with a TS/SCI clearance and a polygraph. The role focuses on Linux/Windows system administration, VMware and NetApp ONTAP storage, security...SeniorRelocation package
- Sales and Technical Strategy Define and lead the technical sales strategy for SecurSpaces across strategic accounts, priority industries, or regions. Partner with Account Executives and sales leadership on account planning, qualification, opportunity strategy, executive...PrincipalSeniorLocal area
- Northrop Grumman Space Systems in Aurora, Colorado, seeks a Systems Administrator - Level 5 to oversee Linux and Windows environments on major government contracts. You’ll manage VMware platforms, NAS storage, and security configurations to ensure high reliability and...Senior
$150k - $225.5k
...US office locations. This is a hybrid role that has a requirement of working at least three days a week in the office. As a Sr. Principal Lead Health Actuary Consultant , you'll manage client projects focused on employers’ health benefits strategies, including financial...PrincipalSeniorMinimum wageWork at officeLocal areaRemote workFlexible hours3 days per week1 day per week- ...working in a rapidly evolving space, and we’re looking for people that will help build a positive, supportive environmentFluency in a system level language such as Go, C++, Java, C#, or Rust. Knowing a specific language isn’t important; what matters is that you’ve become...PrincipalSeniorFull timeRemote workFlexible hours
$149k - $184k
...for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence. We are seeking a skilled Linux System Administrator to support the installation, configuration, security, and ongoing operation of Linux- and Windows-based systems in a secure,...PrincipalTemporary workFor contractorsWork experience placementImmediate startRemote workFlexible hours$68.9k - $131.1k
...programs with unclassified, classified, and proprietary information system capabilities and create end-to-end solutions to solve complex... ...program in a classified environment as a Linux System Administrator in Aurora, CO or Richardson, TXResponsibilities include the monitoring...Temporary workWork experience placementWork at officeRemote workFlexible hours$75.2k - $158.1k
Job Title: Systems Administrator (Journeyman)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: There is not an anticipated...Contract workWork experience placementWork at officeImmediate startFlexible hours$56.55k - $71.94k
...Research Services Professional (Senior - Principal) Research and Grants Specialist... ...and the VA Eastern Colorado Health Care System. We are very proud of our long and illustrious... ...'s degree in public health, public administration, social/behavioral sciences, physical sciences...PrincipalSeniorFull timeContract workTraineeshipLocal area2 days per week3 days per week$200k - $300k
...HIRING: Senior & Principal Applied AI Engineers (Agentic Workflows / Autonomous Systems) RECRUITER OVERVIEW: Hey, I'm Will — Rumor has it I'm Colorado's #1 Most Connected, Respected & Bald-est #DevRecruiter™. As an agency software engineering recruiter, my team and...PrincipalSeniorImmediate startShift work$145.99k - $228.35k
What We're Looking ForLead the Future of Aviation Passenger ExperienceHNTB is seeking a visionary design leader to help define the next generation of aviation environments and elevate the role of design across our national aviation practice. We are looking for an influential...PrincipalSeniorFull timeFor contractors$135k - $275k
...together.YOUR MISSIONTrue Anomaly is looking for you, a senior to principal-level technical leader, to architect spacecraft-wide harness... ...technical direction. This role requires someone who thinks in systems, builds for scale, and leads through influence rather than authority...PrincipalSeniorPermanent employment$59.01k - $79.08k
...Post-Award Grant Specialist (Senior or Principal Professional) Position # 00853835 - Requisition... ...to support the financial and administrative management of its sponsored research portfolio... ...research administration and financial systems. Support Pre-Award and other research...PrincipalSeniorFull timeContract workLocal areaRemote workWorldwide3 days per week$180k - $360k
..., wargaming, threat assessment, and uncooperative RPO capabilities. You are a first principles engineer who takes ownership of the systems you build and delivers results. RESPONSIBILITIESDesign, implement, and validate optimization algorithms for fleet-level mission planning...PrincipalSeniorPermanent employmentWork at office$124k - $221.43k
Job Requisition ID #26WD10075326WD100753 Senior Principal Program Manager, GTM PMOL'affichage de poste en français suivra / The French job... ...-makingSees programs and transformations as interconnected systems, connecting dots across workstreams and anticipating downstream...PrincipalSeniorFull timeTemporary workFor contractorsWork at office$200k - $300k
...HIRING: Senior & Principal Applied AI Engineers (Agentic Workflows / Autonomous Systems) Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. RECRUITER OVERVIEW: Hey, I'm Will — Rumor has it I'm Colorado...PrincipalSeniorImmediate startShift work$160k - $200k
...willing to be onsite with clients or in the Denver office up to 5 days a week.**Role: Program Manager/Product ManagerTitle: Senior Principal, Market SolutionsLocation: DenverWho You’ll Work WithAt Slalom, our Delivery capability is the engine that powers transformation....PrincipalSeniorTemporary workWork at officeLocal area$150k - $196k
...while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.Xometry is seeking a Senior Principal, Machine Learning & Artificial Intelligence to join our team. You will serve as a technical leader for large, cross-functional ML/...PrincipalSeniorImmediate start- ...Principal Control Systems Engineer Denver, CO (Centennial) | Hybrid Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below. I'm currently recruiting for a leading global engineering...Principal
- ...Arvada, CO (Hybrid/On-Site Available) Job Type: Full-Time About the Role We're seeking an experienced Senior UNIX Systems Administrator with deep expertise in commercial UNIX environments , specifically AIX, HP-UX, and Solaris . This is not a Linux administration...SeniorFull timeCasual workRemote workFlexible hours
- ...over 250 professionals across the Finance, Energy, Mining, and Corporate Sustainability practices, and is now looking for a Senior Principal Consultant to help manage and grow the Finance Advisory - Transactional Due Diligence practice.RoleAs our new Senior Principal...PrincipalSeniorPermanent employmentFull timeTemporary workFor subcontractorRemote work
$231.5k - $304.5k
...Job Description Altera is looking for a Senior Principal Engineer to serve as a key technical leader responsible for defining and advancing... ...~ Demonstrated experience architecting large-scale software systems and optimization engines. ~ Strong software development...PrincipalSeniorLocal areaRemote workShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal / Sr. Principal Systems Administrator (AHT). Be the first to apply!
- system admin Aurora, CO
- application system administrator Aurora, CO
- enterprise administrator Aurora, CO
- systems administrator Aurora, CO
- IT administrator Aurora, CO
- server administrator Aurora, CO
- principal Aurora, CO
- senior principal cloud computing engineer Aurora, CO
- senior principal scientist Aurora, CO
- senior living Aurora, CO







