Linux Systems Administrator

At Arete, we are on the forefront of utilizing innovative solutions, with great minds from all backgrounds, to help solve the nation's most complex security challenges. We strive for an inclusive, collaborative team environment that approaches differences as opportunities for innovation and excellence. As an employee-owned company, we foster an atmosphere that propels diverse career opportunities and professional growth.

Discover your future with us.

Arete is seeking a Linux Systems Administrator to work as a member of our Program IT team in our Tucson, AZ facility. The selected candidate must be eligible to maintain a Top Secret clearance. The candidate will work on multiple DoD contracts supporting the design, installation, and configuration of Cyber-compliant prototype and low volume production systems and networks of varying complexities. The candidate will be working on exciting projects in direct support of the Warfighter. The candidate will collaborate with other IT staff members, Cyber Security staff, travel occasionally, and provide some afterhours support. This is an exempt, non-supervisory, full-time position.

Primary responsibilities include:

• Contributing to the design, configuration and installation of various Linux and Windows systems used on HPCs, data collectors, COTS servers, and other deliverable IT systems;
• Developing, maintaining, and applying relevant technical expertise in Cyber Security subjects such as FIPS encryption, Type 1 NSA Encryption, operating system, application, and network device hardening, STIGs, Audit log configuration and collection, endpoint protection software, and more;
• Contributes to the required technical documentation packages;
• Monitors and improves the build processes performed by IT technicians to produce identical systems;
• Adheres to required quality control processes;
• Supports system integration activities and field tests as needed for prototype systems;
• Other duties, as assigned.

We have an impressive range of benefits, programs, and perks that we offer:

Health & Wellness:

• Medical, Dental & Vision Insurance
• Life and Long-Term Disability (LTD)
• Vision Reimbursement
• Fitness Reimbursement

Financial:

• 401(k) Retirement Plan Contributions
• Employee Stock Ownership Plan (ESOP)
• Continuing Education Assistance

Work-Life Balance:

• Flexible Scheduling
• Paid Time Off (PTO)
• Paid Parental and Bereavement Leave

What We Value:

• Creativity and innovation in solving challenges
• Integrity and responsibility in all actions
• Collaboration across teams and specialties
• Responsiveness in fast-paced environments
• Passion for national security and excellence

Experiences and Background We Look For (required skills):

• Eligible to obtain and hold a Top Secret clearance
• Must have or be able to obtain a Security+ CE or equivalent certification for DoD 8140 / 8570 IAT Level II or higher within 90 days of employment.
• Minimum of 3 years working as a System Administrator, Engineer, Network Administrator or similar role;
• Bachelor's Degree in an Information Technology related discipline and/or current, applicable industry-standard certifications (MCSA, CCNA, Security+, RHCSA) or an additional 3 years of experience;
• Proficient understanding of computer hardware configuration, software, and operating systems (primarily Red Hat Enterprise Linux 8 and/or 9.
• Working knowledge of Bash scripting and/or Ansible.
• Experience with classified information system Cyber Security tools and technologies (Nessus/ACAS, SCC, STIGViewer) and experience collaborating with Cyber Security professionals.
• Expert-level client system troubleshooting skills and experience.
• Strong interpersonal skills, ability to work autonomously and on a team;
• Strong written communication skills and the ability to document/diagram information systems and procedures;
• Able to obtain a FAA Level 3 Medical Certification from an FAA-designated Aviation Medical Examiner;
• Must be able to lift 25 pounds.

Nice to have (preferred skills):

• Some experience with one or more of the following technologies: Cluster Management software, RDMA configuration in support of 100/200/400gbe Networking, Anaconda environment installation and configuration, NVIDIA Driver/CUDA installation in Linux, RHEL 8/9 security-related functions (SELinux, AIDE, firewalld, PAM configuration files, the Linux Audit system, and more), iSCSI, NFS, Nvidia Jetsons
• Administrative level knowledge of Cisco Nexus NX-OS and/or Cisco IOS
• Some experience in server hardware troubleshooting and installation
• Relevant experience building and configuring IT systems in a classified environment accredited under the Risk Management Framework

The salary range for this role is $85,000 to $120,000; however, Arete considers several factors when extending an offer of employment, including but not limited to: the position and associated responsibilities, a candidate's work experience, education/training, and key skills.

Other Considerations

Arete is committed to the principles of equal employment opportunity and nondiscrimination, and we believe every person has the right to be treated with fairness, dignity, and equal consideration.

Arete is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, marital status, national origin, age, veteran status, disability, or any other characteristic protected by applicable federal, state, or local law.

U.S. citizenship is required to meet position eligibility.

Successful passage of a criminal background screen is required to meet position eligibility.

Selected applicants will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Arete will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the Los Angeles Fair Chance Initiative for Hiring.

Successful passage of a Department of Transportation (DOT) drug test is required to meet position eligibility.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access our website because of your disability. To request an accommodation, please contact Arete Human Resources at 818-885-2200 for assistance.