Systems Administrator

Radiance Technologies, Inc.; United States; On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

Employee ownership

Generous 401K

Health/dental/life/vision insurance

Educational reimbursement

Competitive salaries

Pleasant work environment

Job summary

Radiance Technologies is seeking an experienced Systems Administrator to support critical computer systems and network infrastructure at the Huntsville facility. The role entails design, maintenance, sustainment, and enhancement across classified environments, ensuring 24/7 continuity and compliance with IA requirements.

Responsibilities include on-site support across multiple classification levels, configuring Linux and Windows servers per DISA STIGs, integrating with Active Directory, and

Qualifications

• Two years minimum experience as a System Administrator.

Responsibilities

• Provide daily on-site support for operations and maintenance across multiple classification levels.
• Experience installing, configuring, and maintaining Linux and Windows servers and related network devices per NIST 800-53A r4, DISA STIG, and SRG requirements.
• Design, implement, and sustain infrastructure within a software development environment including diverse tooling and integration.
• Support air-gapped deployments, user accounts, and access control (Active Directory/LDAP).
• Perform vulnerability scans (Nessus) and remediation; manage backups and log aggregation; support virtualization with VMware.

Skills

Linux admin

Windows Server

Active Directory

NIST STIG

Vulnerability scanning

Networking basics

IT support

Education

Bachelor's degree in information technology or related field

Tools

Nessus

VMware vSphere

OpenSCAP

SCAP/STIG

Wireshark

Active Directory tooling

Job description

Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Huntsville AL area.

• Employee ownership
• generous 401K
• full health/dental/life/vision insurance benefits
• interesting assignments
• educational reimbursement
• competitive salaries
• pleasant work environment

Radiance is searching for an experienced Systems Administrator to provide support to critical computer systems and network infrastructure at the corporate facility. The qualified candidate will provide design, maintenance, sustainment, and enhancement support for the architecture in a classified environment; ensure compliance with applicable information assurance requirements; ensure 24/7 continuity of operations; and create and update relevant system documents. Work hours are normal business hours, however, occasional support during non-business hours may be required. Successful candidates will have the following behavioral competencies: Great attitude with high degree of customer focus. Flexible and adaptable to changing priorities. Solid trouble-shooter, problem solver. Reliable and committed to getting the job done (including after hours as required). Excellent coping skills and the ability to juggle multiple priorities. Self-managed; able to work independently or with a team as required.

Job Responsibilities

• Provide daily, on-site, support for the operations and maintenance across multiple classification level environments.
• Proficient in the installation, configurations, and maintenance of Linux (Ubuntu, Red Hat Linux, CentOS) servers, desktops, and all network devices in accordance with all NIST 800-53A r4, DISA STIG, and SRG requirements.
• Experience in the installation, configurations, and maintenance of Windows servers, desktops, and all network devices in accordance with all NIST 800-53A r4, DISA STIG, and SRG requirements.
• Experience performing system design, hardware/software implementation and integration, and general infrastructure support within a software development environment that utilize commercial, GOTS, and custom tooling.
• Demonstrated experience with information systems deployments in an air-gapped environment.
• Experience in User account and access control management (Active Directory, LDAP, User Access Control) in a domain or stand-alone environment.
• Demonstrated experience with integrating Linux workstations and servers with Windows Active Directory.
• Experience with configuring and executing vulnerability scanning tools (Nessus), SCAP/STIG scans (SCC Tool, OpenSCAP, etc.), and remediating findings.
• Experience with providing backup and recovery services; manage file systems and disk space.
• Experience with log aggregation technologies allowing for the collection and filtering of Linux syslog and audit trails.
• Experience with desktop and server virtualization within VMWare vSphere and EXSI.
• Ability to gain comprehension of new technologies to assist with new requirement implementation efforts.

Required Experience

• A minimum of two (2) years of experience as a System Administrator.
• At least one year of experience as a System Administrator performing patching and configuring systems to be compliant with all applicable STIGs on a classified network.
• Excellent written and verbal communication skills and ability to effectively interface with numerous cognizant security agencies, customers, and senior management.
• Ability to manage multiple networks in a dynamic, demanding environment.
• Basic knowledge of Risk Management Framework requirements and how they impact the IT configuration requirements for Windows and Linux systems.

Required Skills

• Minimum Secret clearance with the ability to obtain a Top Secret clearance DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (e.g., Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP)

Desired Qualifications

• Bachelor’s Degree in information technology of a related subject.
• Previous experience working in a classified Collateral environment / SAP / SCI /.
• Prior experience as a System Administrator at an organization of similar size and complexity.
• Understanding of network concepts and Type 1 encryption devices, such as TACLANE.
• Understanding of networking concepts and cybersecurity related tools to include, Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIG) and Security Content Automation Protocol (SCAP), and vulnerability scanners.
• Knowledge of and ability to securely configure network equipment (switches and firewalls).
• Knowledge and experience with various network administration, monitoring, and security tools (Wireshark, Nessus, Snort, Netcat and PRTG).
• Experience with SIEM tools, VMWare, NetApp, endpoint security tools.
• Familiar with NISPOM/RMF, DAAPM, JSIG, and NIST/DFARS compliance security controls and how to implement on various OS computer systems.

Radiance Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

Our growth is creating great opportunities! Our team is expanding, and we want to hire the most talented people we can. Continued success depends on it!

Employee-Ownership Radiance is a proud employee-owned company! Employee-ownership benefits both our customers and workforce, and ensures that Radiance doesn’t have to answer to stockholders or be driven by quarterly earnings reports. Thus, Radiance will always prioritize enhancing our customer’s mission over expanding our bottom line. We are singularly focused on providing our customers with game-changing solutions to their most challenging requirements. This is only possible because employee-ownership attracts the highest quality employees, empowers them to identify capability enhancements, and provides them with the freedom to take risks to deliver high-quality solutions. Employee-ownership also provides tangible and long-term financial security for our people and their families. Therefore, employee-ownership embodies participation, empowerment, freedom, teaming, excellence, accountability, mission focus, and security.

Our Culture

Radiance’s culture is driven by our commitment to our customers and our employee-owners. Our employee-owners thrive on entrepreneurship, empowerment, and mutual responsibility for growth and sustainability. Our culture consists of individuals who embody technical and leadership skills to deliver superior solutions to the nation’s toughest technical challenges. We believe building trust and credibility with our customers leads to long-term results. We invest in a superior technical workforce where leaders are developed, innovation is encouraged, and achievements are recognized. We seek innovative ways to improve, experiment, take risks, foster collaboration, and empower our employee-owners.

Our Values

Our values drive our culture, business model, and daily interactions. These values constantly remind us of who we are and what we do. Our employee-owners influence how we operate our business. We relentlessly pursue operating excellence by innovating, improving our processes, and reducing waste. We believe in being wise and ethical stewards of capital and resources. Our values dictate how we interact with each other and our customers, partners, and suppliers. Honesty, trust, humanity, alignment, and value creation require that we treat our employees with dignity and respect and provide them with fair compensation and equal employment opportunity. We believe in connecting with our communities and have a responsibility to be good corporate citizens, and we believe in sustainable business practices, which include supporting the environment and the communities in which we work.