Unix​/Linux Network and Computer Systems Administrator

Senior Network and Computer Systems Administrator

B&A is seeking a Senior Network and Computer Systems Administrator responsible for the design, implementation, and maintenance of enterprise network and server infrastructure to ensure secure, reliable, and high-performance IT operations. This role combines advanced networking expertise with comprehensive systems administration skills to support mission-critical environments.

• Configure, monitor, and troubleshoot routers, switches, firewalls, and VPNs.
• Manage network performance, capacity planning, and QoS policies.
• Implement and maintain network security measures (ACLs, IDS/IPS, STIG compliance).
• Perform firmware upgrades, patching, and vulnerability remediation.
• Support disaster recovery and business continuity planning.
• Document network architecture, configurations, and change management processes.

• Bachelor's degree in IT, Computer Science, or related field.
• 10-15 years of experience in enterprise networking.

• Strong knowledge of TCP/IP, VLANs, routing protocols (OSPF, BGP), and network monitoring tools.

• U.S Citizen
• Active Top Secret (T5)

B&A offers a comprehensive benefits package including medical, dental, vision, life & AD&D, disability, accident, hospital indemnity, critical illness insurance, paid time off, training, pet insurance, commuter transit benefits and a free subscription to a virtual exercise platform. The 401(k) plan is available to all employees with a company match.

• B&A Cares program: 30/60/90-day wellness check‑ins, personal development, financial management, and stress management seminars.
• Formal mentorship program
• Job shadowing and cross training opportunities
• Brand Ambassador program
• Employee Assistance Program (EAP) – counseling, legal guidance, financial planning, and more.
• Monthly teambuilding events
• Annual Wellness Challenges (step, walk, volunteering, exercise during lunch)

B&A provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. B&A complies with applicable state and local laws governing non‑discrimination in employment in every location in which the company has facilities.

B&A participates in e-Verify. We provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 Form to confirm work authorization.