Linux System Administrator

Leidos; United States; On-site; USD 92,300 - 166,850; Full time

Job summary

Leidos-Dynetics in Huntsville, AL, is seeking a Linux Systems Administrator to secure and optimize our information systems. The role requires mastery of Linux, networking, and Windows, with attention to STIGs and vulnerability scans to meet DoD standards.

You must hold a current Top Secret clearance and DoD IAT II certification (Security+ CE or equivalent). The position covers design, implementation, and ongoing operations across multiple networks, with opportunity for growth in a dynamic

Qualifications

• Bachelor's degree with a minimum eight years of system administration experience.
• Minimum 4+ years administering Linux operating systems.
• Currently hold active DoD Top Secret clearance.
• DoD 8570 / 8140 I AT II certification (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP).
• Demonstrate ability to manage multiple networks in a dynamic, demanding environment.
• Possess familiarity with Risk Management Framework requirements for Windows systems, Linux systems, and network devices.
• Demonstrate ability to interface effectively with security agencies, customers, and management.
• Strong written and verbal communication skills.

Responsibilities

• Perform system design and new hardware/software implementation.
• Maintain Linux, Network devices, and Windows endpoints.
• Keep information systems compliant and aligned with DOD standards.
• Coordinate with the Information Assurance team to meet compliance.
• Manage privileged access management.
• Ensure the proper marking, handling, and storage of classified materials.
• Maintain baseline configuration of various information systems.
• Work on multiple projects, leading projects that fall within the area of responsibility.
• Adopt new technologies and ensure that all staff members are trained to keep them compliant.

Skills

Linux administration

Networking concepts

Windows administration

Security practices

Communication skills

Education

Bachelor's degree

Tools

Ansible

RHCSA

Job description

Description

Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Modernization sector) is seeking a motivated Linux Systems Administrator to become part of our team. In this role, you will be responsible for ensuring the secure and efficient operation of various information systems. This includes conducting regular vulnerability scans and implementing Security Technical Implementation Guides (STIGs) to maintain regulatory compliance. Mastery of Linux, networking, and Windows is critical for success in our diverse technological environment. Effective communication with stakeholders and collaboration with cross-sector teams will be necessary to achieve organizational objectives.

We recognize the value of having a high-performing workforce and are committed to providing opportunities for employees by encouraging career growth and movement across the enterprise.

Location

All work will be performed on-site in our Huntsville office.

Clearance

You must hold a current Top Secret clearance to qualify for consideration.

What We Value

We value a positive attitude, adaptability to changing priorities, and a commitment to delivering results. Our ideal candidate is a reliable troubleshooter, adept at handling multiple priorities with excellent coping skills, self-managed, and customer-focused.

Key Responsibilities

• Perform system design and new hardware/software implementation.
• Maintain Linux, Network devices, and Windows endpoints.
• Keep information systems compliant and aligned with DOD standards.
• Coordinate with the Information Assurance team to meet compliance.
• Manage privileged access management.
• Ensure the proper marking, handling, and storage of classified materials.
• Maintain baseline configuration of various information systems.
• Work on multiple projects, leading projects that fall within the area of responsibility.
• Adopt new technologies and ensure that all staff members are trained to keep them compliant.
• Maintain a robust virtual and physical environment.

Experience and Skills

• Bachelor's degree coupled with a minimum of eight (8) years of system administration experience. Equivalent relevant work experience may be considered in lieu of a degree.
• Minimum of 4+ years administering Linux operating systems.
• Currently hold active DoD Top Secret clearance.
• DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP)
• Demonstrate ability to manage multiple networks in a dynamic, demanding environment.
• Possess familiarity with Risk Management Framework requirements for Windows systems, Linux systems, and network devices.
• Demonstrate ability to interface effectively with security agencies, customers, and management.
• Strong written and verbal communication skills.

Preferred Qualifications

• Previous experience maintaining networks in classified environments.
• Understanding of network concepts, Type 1 encryption devices (e.g., TACLANE), and cybersecurity tools.
• Knowledge of VOIP.
• Experience with Ansible.
• RHCSA (Red Hat Certified System Administrator).

Pay Range

$92,300.00 - $166,850.00.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.