Network Expert

Contingent Opportunity | Vienna, VA | Secret Clearance 

About Aretum 

Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront. 

Job Summary 

Aretum is seeking a Network Expert to design, administer, secure, and maintain enterprise network infrastructure and supporting services. The successful candidate will collaborate with government and contractor stakeholders, deliver accurate work products, and follow applicable federal customer procedures. 

Due to the nature of our work as a federal consulting organization, employees may be expected to handle Controlled Unclassified Information and must adhere to applicable safeguarding and compliance requirements. 

Responsibilities 

• Develop network designs and site diagrams for LAN, MAN, and WAN infrastructure and installations. 
• Configure, administer, and troubleshoot network hardware, software, communications links, and related services. 
• Monitor availability, capacity, performance, and security; plan changes and improvements. 
• Administer Active Directory services and maintain certificate revocation lists (CRLs) as required. 
• Implement patches, updates, routine maintenance, backup, and recovery operations. 
• Plan network downtime, changeovers, validation testing, rollback, and contingency measures. 
• Maintain network records, site drawings, configuration documentation, and cost or performance analyses.