Computer Systems Engineer - I (Computer Network Architect)
- Level
- Lead
Not stated in the posting: salary, work type, visa.
Open. First seen 2 October 2026.
About the role
Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than 17 years of support to stakeholders across the federal government, with established and growing capabilities across Intelligence, Analytics, Engineering, Mission Support, and Communications disciplines. Founded in 2008, our mission is to transform the way our customers approach constantly changing and complex problem sets by bringing to bear the latest in technology and the highest caliber of talent.
Barbaricum's standard text
Headquartered in Washington, DC's historic Dupont Circle neighborhood, Barbaricum also has a corporate presence in Tampa, FL, Bedford, IN, and Dayton, OH, with team members across the United States and around the world. As a leader in our space, we partner with firms in the private sector, academic institutions, and industry associations with a goal of continually building our expertise and capabilities for the benefit of our employees and the customers we support. Through all of this, we have built a vibrant corporate culture diverse in expertise and perspectives with a focus on collaboration and innovation.
Our teams are at the frontier of the Nation's most complex and rewarding challenges. Join our team.
Barbaricum is seeking a Computer Systems Engineer I (Computer Network Architect) to support the design, implementation, and maintenance of cyber range and computer test bed environments for Department of Defense (DoD) missions. The selected candidate will provide technical expertise in network engineering, virtualization, systems administration, and infrastructure automation across physical, virtual, and cloud-based environments.
The Computer Systems Engineer will support the configuration and operation of enterprise networks, server platforms, and cyber training environments while ensuring system reliability, security, and operational readiness. The successful candidate will work closely with engineering and cybersecurity teams to deploy, monitor, and sustain mission-critical infrastructure and emerging technologies
Responsibilities:
- Design, configure, and maintain cyber range and computer test bed environments supporting cybersecurity training, testing, and mission operations.
- Implement and manage enterprise network infrastructure, including routing, switching, firewalls, DNS, Active Directory, VPNs, VLANs, and SANs.
- Support the deployment and administration of physical, virtual, and cloud-based systems utilizing VMware, KVM, Xen, and other virtualization technologies.
- Develop and maintain automation, provisioning, imaging, and configuration management solutions using tools such as Ansible, Chef, FOG, Python, and Bash scripting.
- Administer Windows and Linux server environments, ensuring system performance, availability, and security.
- Monitor network and infrastructure performance, troubleshoot technical issues, and implement corrective actions to maintain operational readiness.
- Identify and address network vulnerabilities and security risks while supporting cybersecurity best practices and compliance requirements.
- Support the integration and operation of specialized technologies, including ICS/SCADA, IoT, RF devices, and camera systems.
- Develop and maintain technical documentation, system configurations, and standard operating procedures.
- Collaborate with engineering, cybersecurity, and operations teams to support infrastructure modernization and mission requirements.
Required Qualifications:
- Active DoD Secret Clearance
- Bachelor's Degree in related field.
- Must meet DoDM 8140.03 IAT II requirements
- Minimum 3yr of experience in the configuration and operation of cyber range or computer test bed environments.
- Demonstrated experience in designing and configuring computer networks including routing, switching, firewalls, DNS, active directory, VPNs, VLANs, SANs utilizing bare metal and virtualized systems.
- Demonstrated experience with automation, provisioning, imaging, orchestration, and configuration management experience with Ansible, Chef, FOG, Project, python, and bash scripting. Cloud, physical, and virtual network architect, engineering, and infrastructure monitoring experience required. Expertise with hypervisors such as VMware, KVM, and Xen.
- Demonstrated experience with Windows enterprise and Linux server / operating systems engineering, and administration with knowledge of network vulnerabilities, attack vectors, and mitigation.
- Demonstrated experience with wide variety of technology to include camera systems, ICS/SCADA, IoT, and RF devices.
EEO Commitment
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.
What this role asks for
Standard for software engineering roles
Python
Common in software engineering postings at any company.
83% of this description is written for the role. The rest is Barbaricum's standard text, folded away below.
Read against Barbaricum's other open postings on this site.
The team: Mission Support
This role is one of 57 open in Mission Support.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Cybersecurity (26 of 57), Linux (10 of 57), Embedded Systems (6 of 57), Python (6 of 57), VMware (6 of 57), Networking (5 of 57), Ansible (4 of 57)
OTHER ROLES ON THIS TEAM
- Pre-Award: MXM- Information System Security Manager III posted Sep 8
- Pre-Award: MXM- Information System Security Specialist posted Sep 3
- Pre-Award: MXM- Software Engineer III posted Sep 1
- Pre-Award: MXM- Radio Frequency Engineer III posted Sep 1
- Pre-Award: MXM- Model Based Systems Engineer III posted Sep 1
- Pre-Award: MXM- Model Based Systems Engineer II posted Sep 1
- Pre-Award: MXM- Data Scientist III posted Sep 1
- Pre-Award: MXM- Electrical / Electronics Engineer IV posted Sep 1
- Pre-Award: MXM- Electrical / Electronics Engineer III posted Sep 1
- Pre-Award: MXM- Model Based Systems Engineer III posted Aug 25
- Pre-Award: MXM- Systems Engineer III posted Aug 25
- Pre-Award: MXM- System Administrator IV posted Aug 25
- Pre-Award: MXM- Electrical / Electronics Engineer IV posted Aug 25
- Pre-Award: MXM- Computer Engineer IV posted Aug 25
- Pre Award: CPE ST3- Agile Program Manager- Orlando, FL posted Aug 11
- NSWC- Senior AI/ML Engineer (Computer Engineer IV)- Bedford, IN posted Aug 6
- CETS: Engineer III (Network IT, IA/Cyber Support) posted Jul 29
- CETS: Database Specialist/Admin Lead I (Program Management Portal) posted Jul 29
- CETS: Technical Writer posted Jul 21
- CETS: Engineer, General III posted Jul 21
- Pre Award: USAF MA- Senior Data Science Consultant - Pentagon, VA posted Jul 14
- Pre Award: USAF MA- Journeyman Data Analyst- Pentagon, VA posted Jul 14
- Pre Award: USAF MA- Journeyman Data Manager- Pentagon, VA posted Jul 14
- MXPN- Hybrid- Computer Engineer IV (UI/UX SME)- Remote posted Jul 13
- USAF MA- Mission Analyst- Pentagon, VA posted Jul 13
- CETS: Operations Research Systems Analysis Tech Advisor posted Jul 8
- CETS: Operations Research Systems Analysis (ORSA) Tech (SME) posted Jun 25
- Senior Reliability Engineer posted Jun 17
- Cyber Training Specialist - II (Training and Development Manager) posted May 29
- Computer Systems Analyst OT - I1 (Computer Systems Analyst) posted May 29
- Computer Systems Analyst IT - I (Computer Systems Analyst) posted May 29
- Computer Systems Analyst - I (Computer Systems Analyst) posted May 29
- Information Assurance Specialist - I (Information Security Analyst) posted May 29
- Information Technology Technician - I (Computer Network Support Specialists) posted May 29
- Computer Systems Administrator - I (Network and Computer Systems Administrators) posted May 29
- Network Manager - II (Network and Computer Systems Administrators) posted May 29
- Electronic Warfare Technician - II (Electronics Engineers, Except Computer) posted May 29
- Computer Hardware Engineer - II (Computer Hardware Engineer) posted May 29
- Information Assurance Specialist - III (Information Security Analyst) posted May 29
- Multidomain Operations Manager (Project Management Specialist) Project Manager - II posted May 29
- Lead Cyber Range Architect - II (Computer Network Architect) posted May 29
- Financial Systems Analyst II (Program Analyst) posted Apr 15
- Financial Systems Analyst II (Budget Analyst) posted Apr 15
- Senior Systems Administrator posted Mar 18
- Radio Frequency Engineer II posted Mar 11
- Senior Network Engineer III posted Mar 11
- Cyber SME/Cyber Architect posted Mar 11
- AFSIM Simulation Engineer posted Feb 9
- MBSE Engineer – Mission Engineering posted Feb 9
- Junior Intelligence Analyst posted Feb 5
- Senior Design Experience Lead posted Nov 5
- Journeyman Intelligence Analyst posted Jul 25
- Program Manager – Navy Maintenance & Cyber Integration posted Apr 8
- Test Coordinator posted Feb 6
- Senior Test Coordinator posted Feb 5
- Systems Engineer posted Jan 28
From the team and dates on Barbaricum's own job board.
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