Unix​/Linux Network and Computer Systems Administrator

Description

At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 1988. B&A believes in ensuring its employees feel deeply connected to B&A, recognizing successes and hard work, and providing continuous opportunities to learn and grow.

Our people are entrepreneurial thinkers that combine mindset, vision, and experience to drive value – not only to us as an organization, but to the clients we support. We promote a collaborative culture with our clients, and with each other, as one team working towards a common vision. We’d love for you to join our team!

B&A is seeking a Senior Network and Computer Systems Administrator is 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 has grown to be a company that is trusted by our clients for exceptional service, innovative solutions, and inspired employees. Our service extends through federal, state, and local Government, the private sector, and higher education. Some of our notable clients include Department of Homeland Security, U.S. Customs and Border Protection, U.S. Senate, U.S. Courts, U.S. Census Bureau, U.S. Navy, and more.

B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance. In addition to these benefits, B&A employees enjoy paid time off, B&A sponsored trainings and certifications, pet insurance benefits, commuter transit benefits and a free subscription to a virtual exercise platform (NEOU).

B&A’s 401(k) plan is available to all employees and includes a company matching contribution.

B&A has launched several programs to focus on employee engagement, wellness, and assistance. These include:

• The B&A Cares program: 30/60/90-day wellness check ins, personal development, financial management, and stress management seminars, and more
• A formal mentorship program
• Job shadowing and cross training opportunities
• Brand Ambassador program
• Employee Assistance Program (EAP) - Access to various support resources to include counseling, legal guidance, financial planning, and more
• Monthly teambuilding events
• B&A Annual Wellness Challenges: #StepWithB&A, #Walk During Lunch With B&A, #Volunteering
  
  WithB&A, #Exercise During Lunch With B&A, and more

At B&A, we place significant importance on improving the communities and lives of citizens across the nation through our involvement, technology expertise, and employees. B&A puts an emphasis on charitable efforts in the Northern Virginia area, including Capital Area Food Bank pantry drives, book donations, Hope for Henry Foundation events, and many more. In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services…