SYSTEM ADMINISTRATOR – Linux - 15+ yrs of exp - TS/SCI w/Poly clearance is required- RC - 310
Aurora, Colorado, United States · On-site
$202k–$214k/yr
Senior+
System Administrator – Linux - 15+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a System Administrator who can provide support for implementation, troubleshooting and maintenance of…
Skills: Linux, System administration, Troubleshooting, Network configuration, Cisco routers
Computer Scientist, Senior The Opportunity: As an analytics professional, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine l…
Skills: Data science, Artificial intelligence, Machine learning, Python, R
Knowledge Manager The Opportunity: As a knowledge manager, you know how to harness the latest technologies by developing low-code platforms and creating user-friendly solutions for your clients. We’re looking for a solut…
Data Engineer, Senior The Opportunity: Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there’s more structured and unstructured data available today than ever before. As a dat…
Skills: Data engineering, Python, R, PostgreSQL, SQLite
Knowledge Manager, Senior The Opportunity: As a senior knowledge manager, you know how to harness the latest technologies by developing low-code platforms and creating user-friendly solutions for your clients, and how to…
Statistician and Mathematician, Senior The Opportunity: In an increasingly connected world, massive amounts of structured and unstructured data open new opportunities. As a statistician and mathematician at Booz Allen, y…
Skills: Statistics, Mathematics, Data analysis, Algorithm development, Machine learning
Knowledge Manager The Opportunity: As a knowledge manager, you know how to harness the latest technologies by developing low-code platforms and creating user-friendly solutions for your clients. We’re looking for a solut…
Operations Research Systems Analyst, Senior The Opportunity: With all the information available today, it takes a skilled intelligence analyst to know how to find and interpret the best data to give their clients the rig…
Skills: Operations research, Data science, Analytical skills, Problem-solving, AI governance
Job Title: Agentic AI Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Tr…
Date Posted: 2026-08-12 Country: United States of America Location: US-CO-AURORA-S76 ~ 16430 E Hughes Dr ~ BLDG S76 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and tra…
Redondo Beach, California, United States · On-site
$92k–$138k/yr
Mid level$3.7B raised
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities…
Redondo Beach, California, United States · On-site
$114k–$213k/yr
Senior$3.7B raised
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities…
Redondo Beach, California, United States · On-site
$92k–$138k/yr
Mid level
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities…
Skills: Object-Oriented programming, C++, Python, Node.js, Go
Northrop Grumman Mission Systems, Inc.
Python Software Engineer Level 3 or 4 (AHT)
Aurora, Colorado, United States · On-site
$114k–$213k/yr
Senior
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opport…
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opport…
Skills: Python, Docker, GitLab, Linux, CI/CD
Northrop Grumman Mission Systems, Inc.
Software Engineer - Level 3/4
Redondo Beach, California, United States · On-site
$114k–$213k/yr
Senior
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities…
Skills: Object-Oriented programming, C++, Python, Node.js, Go
Company Description The mission of the Housing Authority of the City of Aurora (AHA) is to develop and promote quality housing while supporting and encouraging economic opportunities leading to self-sufficiency and indep…
Skills: Administrative support, Customer service, Filing, Data entry, Communication
Northrop Grumman Mission Systems, Inc.
Principal / Sr. Principal RF Electronic Systems Engineer (AHT)
Aurora, Colorado, United States · On-site
$114k–$213k/yr
Senior
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: RF systems, Software-defined radios, Modems, IP networking, Routing protocols
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opport…
Skills: Software development life cycle, Python, Bash scripting, Go, Linux
Northrop Grumman Mission Systems, Inc.
Principal / Sr. Principal Electromechanical Engineer (AHT)
Aurora, Colorado, United States · On-site
$114k–$213k/yr
Senior
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: None TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to …
Skills: Hardware design, Hardware integration, Systems engineering, Power systems, RF engineering
SYSTEM ADMINISTRATOR – Linux - 15+ yrs of exp - TS/SCI w/Poly clearance is required- RC - 310
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
$202k–$214k/yr
Full-time
bachelor degree
Medical plans, Dental plan, Vision plan, 401k retirement plan, Life insurance, AD&D insurance
Posted 30d ago
~40 hrs/week
Responsibilities
The system administrator will manage IT infrastructure, including day-to-day operations, monitoring, and problem resolution for servers, storage, and network devices. They are responsible for configuring UNIX and Windows systems, maintaining network components, and providing Tier 1 and Tier 2 technical support.
Requirements
Candidates must have at least 15 years of experience in system administration and a bachelor's degree in a technical discipline. A current TS/SCI clearance with a polygraph is strictly required for this role.
Full job description
System Administrator – Linux - 15+ yrs of Experience - TS/SCI w/Poly Required
Halogen Engineering Group is looking for a System
Administrator who can provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problem and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. This candidate should have the skills and experience necessary to support installation and maintenance of Cisco routers and switches in support of enterprise systems for the program.
Location: Aurora, CO
Travel Required: No
Shift: Day
Remote Type: Onsite
Security Clearance: Current TS/SCI
Polygraph: Required
Salary Range
The projected compensation range for this position is 202K to 214K (annualized USD).
Salary is determined by various factors, including
but not limited to location, the individual’s particular combination of
education, knowledge, skills, competencies, and experience, as well as
contract-specific affordability and organizational requirements.
Requirements
Capabilities
Provide support for implementation, troubleshooting and maintenance of IT systems
Provide Tier I (Help Desk) problem identification, diagnosis and resolution of problems
Manage the daily activities of configuration and operation of IT systems
Provide assistance to users in accessing and using IT systems
Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
Provide support to IT systems including day-to-day operation, monitoring and problem resolution for all of the client/server /storage /network devices, mobile devices, etc.
Provide support for the escalation and communication of status to agency management and internal customers
Optimize system operations and resource utilization and perform system capacity analysis and planning
Provide in-depth experience in trouble-shooting IT systems
Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
Provide support for the dispatch system and hardware problems and remains involved in the resolution process
Configure and manage UNIX and Windows (or other applicable operating systems and installs /lo ads operating system software, trouble shoot, maintain integrity of and configure network components along with implementing operating system enhancements to improve reliability and performance
Support the design of systems, mission architecture and associated hardware
Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)
Analyze and resolve complex problems associated with server hardware applications and software integration
Qualifications
Fifteen (15) years' experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a Bachelor's degree.
Benefits
CareFirst Insurance
Medical Plans
Three
available medical plans–2 Platinum PPO Plans ($0 Deductible) and 1 HSA
Plan ($1500 deductible)
Halogen
pays 100% Medical Premium Costs up to $25,000
CareFirst
Wellness Rewards Program
Guardian Insurance
Dental Plan
Halogen
pays 50% of the plan costs
Vision Plan
Halogen
pays 100% of the plan costs
401K Retirement Plan
· 10% contribution paid
by the company, automatically vested and paid in each pay period.
Life Insurance, AD&D, Short and Long Term Disability
Coverage
Paid Time Off
· 20 Paid Time Off Days
· 6 Federal Holidays
· 5 Floating Holidays
Bonuses
· Based on performance
and billable hours
Halogen Engineering Group does not discriminate in
employment on the basis of race, color, religion, sex (including pregnancy and
gender identity), national origin, political affiliation, sexual orientation,
marital status, disability, genetic information, age, membership in an employee
organization, retaliation, parental status, military service, or other
non-merit factor.
Related keywords
System AdministratorLinuxUNIXWindowsTS/SCIPolygraphCiscoRoutersSwitchesIT InfrastructureHelp DeskServer HardwareService Oriented ArchitectureCapacity AnalysisNetwork ComponentsTroubleshooting
Founded in December 2014, Halogen Engineering is a small business that provides engineering services to the Department of Defense and the Intelligence Community.
The primary goal is to put people first. In other words, people will always come before profits. This applies to how employees are treated and how our company deals with each of our clients.
If you are a person of high integrity, who possesses confidence with a strong dose of humility, Halogen may be the place for you!
We specialize in the following areas of engineering:
Computer Engineering
Web Development
Big Data Analytics and Cloud Solutions (Open Source and COTS products)
Java and Server side Development
Agile Methodology for Software Development
Project Management
We offer an extremely generous benefits package to our employees, and are always looking to add more amazing people to our team!
Offices: 13906 LAKE MEADOWS DR, Bowie, Maryland 20720, US
How much do Government & Public Sector jobs in Aurora, CO pay?
Based on 529 listings with disclosed salaries, most government & public sector jobs in Aurora, CO pay between $69k–$207k per year. Individual offers vary with seniority, company size, and specialization.
How many Government & Public Sector jobs are open in Aurora, CO right now?
There are currently 613 open government & public sector positions in Aurora, CO listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Government & Public Sector roles in Aurora, CO?
Companies currently hiring include Northrop Grumman, Northrop Grumman Mission Systems, Inc., Booz Allen Hamilton, RTX, CACI International Inc, among others. Browse the listings above to see every active employer.
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