Senior Network Systems Engineer
Core
Configure, maintain, secure, and troubleshoot enterprise Cisco network infrastructure, Microsoft Windows Server environments, and AWS GovCloud hybrid cloud systems for government partners and customers.
Role type
Senior Network Systems Engineer (Hybrid Cloud & On-Prem)
Builds
Secure hybrid connectivity between on-premises systems, AWS GovCloud, and external government/customer environments.
Domain
US Government / Cybersecurity / Cloud Infrastructure
Required skills
Cisco enterprise networking (TCP/IP, routing, switching, VLANs, ACLs, NAT, VPNs), Windows Server administration (Active Directory, Group Policy, PKI, TLS), PowerShell automation, AWS GovCloud (VPC, security groups, IAM), virtualization (Hyper-V), vulnerability remediation, system hardening, technical documentation.
Preferred skills
NIST SP 800-53, DISA STIGs, vulnerability management, continuous monitoring, ATO processes, Tenable/Nessus, SIEM, endpoint security, hardware procurement.
Technologies
AWS, Cisco, Microsoft, Hyper-V, PowerShell, Wireshark, Tenable/Nessus, SIEM, Active Directory, EC2, VPC, IAM, CloudWatch, Route 53, Load Balancers, S3, RDS, Systems Manager, NACLs, IIS, Kerberos, DNS, DHCP, Wireless, Firewalls, Netstat.
Responsibilities
Configure and troubleshoot Layer 2-7 network issues; administer and patch Windows Server and Hyper-V environments; manage AWS GovCloud infrastructure and hybrid connectivity; perform vulnerability analysis and security hardening; support security assessments, audits, and incident response; maintain network diagrams and operational procedures; use Infrastructure as Code for environment deployment.
Seniority
Senior, hands-on IC