System Admin, Linux Engineer II

Who Is Trace3?

Trace3 is a leading Transformative IT Authority, providing unique technology solutions and consulting services to our clients. Equipped with elite engineering and dynamic innovation, we empower IT executives and their organizations to achieve competitive advantage through a process of Integrate, Automate, Innovate.

Our culture at Trace3 embodies the spirit of a startup with the advantage of a scalable business. Employees can grow their career and have fun while doing it!

Trace3 is headquartered in Irvine, California. We employ more than 1,200 people all over the United States. Our major field office locations include Denver, Indianapolis, Grand Rapids, Lexington, Los Angeles, Louisville, Texas, San Francisco.  

Ready to discover the possibilities that live in technology?

Come Join Us!

Street-Smart - Thriving in Dynamic Times

We are flexible and resilient in a fast-changing environment. We continuously innovate and drive constructive change while keeping a focus on the “big picture.” We exercise sound business judgment in making high-quality decisions in a timely and cost-effective manner. We are highly creative and can dig deep within ourselves to find positive solutions to different problems.

Juice - The “Stuff” it takes to be a Needle Mover

We get things done and drive results. We lead without a title, empowering others through a can-do attitude. We look forward to the goal, mentally mapping out every checkpoint on the pathway to success, and visualizing what the final destination looks and feels like.

Teamwork - Humble, Hungry and Smart

We are humble individuals who understand how our job impacts the company's mission. We treat others with respect, admit mistakes, give credit where it’s due and demonstrate transparency. We “bring the weather” by exhibiting positive leadership and solution-focused thinking. We hug people in their trials, struggles, and failures – not just their success. We appreciate the individuality of the people around us.

This position will be filled and worked onsite in Colorado Springs, CO; Active (or active within 24 months) Security Clearance REQUIRED

Job Summary:

The System Admin, Linux Engineer II supports North American Aerospace Defense Command (NORAD) on the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Space Support Contract II. Trace3 Gov’s team provides engineering expertise and IT services in support of various NORAD, NORTHCOM, USSTRATCOM, and US Space Force Command and Control (C2) missions.  The systems provide timely, accurate, unambiguous, and continuous classified communications and processing capability in operations centers at Cheyenne Mountain Space Force Station, Peterson Space Force Base, Colorado; Offutt AFB, Nebraska; Vandenberg, California; and other worldwide operational locations.  Employees perform enterprise architecture, system engineering, software development, system integration, and system test duties to fulfill operations, maintenance, and sustainment requirements.  

Experience supporting capability development, delivery, and sustainment of Command and Control (C2) systems within an Agile environment supporting the missile warning, missile defense, and space domain awareness (SDA) domains is highly desired.  

Essential Job Functions:

• Provide highly skilled Systems Administration/Integration to support complex Linux environments.
• Administer/update/troubleshoot air warning, missile warning & space defense systems development/test environments.
• 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.
• Linux System Administrator responsible for the internal administration, maintenance, and management of capacity resources the integrated NISSC development environment at the Government Test Development Facility.   
• Set up and manage Linux and Windows systems, applications and environments and ensuring those systems comply with government security standards.
• Builds, configures, troubleshoots, and integrates new and existing servers to provide service enhancements, application deployments and infrastructure upgrades. 
• Sets up administrator and service accounts, maintains system documentation, tunes system performance, installs system-wide software, and allocates mass storage space. 
• Troubleshooting network hardware and software applications, OS upgrades, and security systems to resolve operational issues and restore services.
• Responsible for monitoring performance, system usage, and back-up and recovery 
• Familiarity with storage appliances and configurations.
• Experience with VMware and the ability to analyze and optimize.
• Familiarity with Continuous Integration/Continuous Deployment (CI/CD), agile system development, and DevSecOps tools and processes. 
• Experience implementing patches, scanning, remediating findings, auditing. 
• Supports operating system patching in compliance with security policy and procedures. 
• Support software deployments to customer sites. 
• Ensures lab configuration management.
• Manage tickets and resolution of issues identified by lab users.

Preferred Technicial Skills:

• Experience in Systems Administration of complex applications on Unix/Linux platforms.
• Expert with Linux/Unix system administration including installing and configuring systems from the OS level up.
• Experience with Information Assurance policies and procedures and the ability to apply IA requirements to an existing system, experience with applying group policies from Active Directory environment impacting Linux OS.
• Ability to write scripts in Perl, bash shell and Expect languages or equivalent (developing, debugging, and maintaining).
• Experience with configuring, analyzing, and troubleshooting clustered and virtual Oracle (Sun) and Linux-based servers.
• Technical aptitude and ability to administer Network services including Active Directory, LDAP, Radius, NPS.
• Understanding of network services including DNS, DHCP, NPS and relation to Linux Operating Systems.
• Authentication services including LDAP, Active Directory, Radius, NPS.
• Server support including Linux and VMWare.
• Ability to troubleshoot and accurately identify root cause of infrastructure issues.
• Creation of custom scripts/programming for customer and administrative needs.
• Familiarity with network administration, switches, configuring for host security, availability, and throughout.
• Linux IPA including LDAP, DNS, Kerberos, addressing any directory services requirements.
• Filesystem management on large fiber-channel RAID storage arrays, Linux kernel config and tuning.
• Customization of Linux servers for use with large RAID disk arrays.
• Skills/understanding of Microsoft server and OS products that connect and support Linux based systems.
• Experience with VMWare installation and configuration and Systems Administration of ESXi hosts, deploying and configuring VMWare vCenter, configure virtual storage using ISCSI and NFS storage.

YEARS OF EXPERIENCE:          Minimum 3 years of experience

SECURITY CLEARANCE:           Minimum Secret Clearance (Active or active within past 24 months), TS preferred

EDUCATION/CERTIFICATION:   Bachelor’s degree in related field preferred, or equivalent experience; DoD 8570 certification at IAT Level II or higher (Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA) is required within 90 days of starting

U.S. Citizenship is required for all positions at T3G, due to security clearance requirements for government/federal contracts held by Trace3 Gov. 

Actual salary will be based on a variety of factors, including location, experience, skill set, performance, licensure and certification, and business needs. The range for this position in other geographic locations may differ. Certain positions may also be eligible for variable incentive compensation, such as bonuses or commissions, that is not included in the base salary.Estimated Pay Range$100,000—$120,000 USD

The Perks

• Comprehensive medical, dental and vision plans for you and your dependents
• 401(k) Retirement Plan with Employer Match, 529 College Savings Plan, Health Savings Account, Life Insurance, and Long-Term Disability
• Competitive Compensation
• Training and development programs
• Stocked kitchen with snacks and beverages
• Collaborative and cool culture
• Work-life balance and generous paid time off

Our Commitment

At the core of Trace3's DNA is our people. We are a diverse group of talented individuals who understand the importance of teamwork and demonstrating leadership, character, and passion in all that we do.

We’re committed to fostering an inclusive workplace where everyone feels respected, valued, and empowered to grow. We recognize that embracing diversity drives innovation, improves outcomes, fosters collaboration, boosts teammate satisfaction, and builds a more inclusive culture.

As an equal opportunity employer, Trace3 bases all employment decisions based on individual qualifications, merit, and business requirements. We do not engage in discrimination on the basis of race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age (40 or older), disability, genetic information, or any other characteristic protected by federal, state, or local law.

Any demographic information provided is strictly voluntary, kept confidential in accordance with Equal Employment Opportunity (EEO) regulations, and will not be used in employment decisions, including hiring, promotions, or mentorship programs. We are committed to providing equal employment opportunities for all.

If you require a reasonable accommodation to complete the application process or participate in an interview, please email recruiting@trace3.com.

***To all recruitment agencies: Trace3 does not accept unsolicited agency resumes/CVs. Please do not forward resumes/CVs to our careers email addresses, Trace3 employees or any other company location. Trace3 is not responsible for any fees related to unsolicited resumes/CVs.