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Unix/Linux Network and Computer Systems Administrator
- Portsmouth, Virginia, United States
- Portsmouth, Virginia, United States
About
Job Summary 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.
Responsibilities
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.
Education and Experience
Bachelor’s degree in IT, Computer Science, or related field.
10-15 years of experience in enterprise networking.
Required Skills
Strong knowledge of TCP/IP, VLANs, routing protocols (OSPF, BGP), and network monitoring tools.
Security Clearance
U.S Citizen
Active Top Secret (T5)
More About B&A Notable Clients 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.
Benefits and Programs 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&DD, 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.
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, #WalkDuringLunchWithB&A, #VolunteeringWithB&A, #ExerciseDuringLunchWithB&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 and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award.
EEO 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. This policy covers conduct occurring at B&A’s offices, and other workplaces (including client sites) and all other locations where B&A is providing services, and to all work-related activities.
EEO is the Law
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.
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Languages
- English
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