Network Site Reliability Engineer (w/ active Secret)Location: Norfolk, VA Clearance: Secret Type: Full-time, Onsite Salary Range: $87,000 - $112,000 JOB DESCRIPTIONCritical Solutions is seeking a Network Site Reliability Engineer to support our federal customer. The Site Reliability Engineer (SRE) will support the reliability and operational integrity of complex enterprise network environments by developing accurate, implementation-ready network configuration deliverables supporting a variety of WAN and BAN solutions. The engineer will apply established engineering solutions, technical standards, and configuration baselines to customer- and site-specific requirements while accounting for existing network environments and mission needs.The environment is heavily focused on Cisco Layer 2 and Layer 3 networking. The role requires strong networking fundamentals and the ability to interpret and correlate existing and proposed network information to develop technically accurate configurations appropriate for the target environment. Engineers must understand the technical function and network impact of configuration commands, rather than relying solely on template substitution, and be able to apply that knowledge across varying network requirements and environments PRIMARY ROLES AND RESPONSIBILITIES:Develop accurate implementation-ready network configurations for complex enterprise WAN and BAN environments.Apply established engineering solutions, technical standards, and configuration baselines to site-specific network requirements.Review and correlate existing and proposed network information to determine appropriate configuration requirements.Develop and modify configurations across Cisco Layer 2 and Layer 3 network environments.Understand the technical function, dependencies, and network impact of configuration commands rather than relying solely on template substitution.Interpret and apply network addressing, routing, switching, interface, security, and redundancy requirements.Create and maintain supporting network configuration documentation reflecting existing and proposed network environments.Ensure configuration deliverables are technically accurate, complete, consistent, and appropriate for the target network environment.Participate in technical and peer review processes to validate configuration accuracy and technical viability prior to implementation.Apply established standards, technical knowledge, best practices, and lessons learned consistently across varying network requirements.Adapt to evolving network standards, engineering solutions, configuration templates, platforms, and customer requirements.Collaborate effectively with SRE, network engineering, development, and other technical teams supporting enterprise network services.Contribute network engineering expertise to broader SRE initiatives involving standardization, optimization, reliability, and automation.Support the evolution of automated network capabilities and processes in collaboration with specialized automation and development teams. BASIC QUALIFICATIONS:Must be a U.S. citizen and possess an active DoD Secret Security Clearance or higher.B.S Degree and Masters with relevant experience in data engineering, computer science, information systems, software engineering, mathematics, or a related technical discipline, with at least four years of relevant experience; additional directly related experience may be considered in place of a degree. Candidates should possess strong working knowledge of Cisco enterprise networking concepts and technologies, including:Cisco IOS / IOS-XE configurationLayer 2 and Layer 3 switchingVLAN configuration and VLAN assignment802.1Q trunking and native VLAN conceptsVLAN trunking Protocol (VTP)Spanning Tree Protocol (STP/RSTP/MST)EtherChannel, including LACP and PAgPAccess and trunk port configurationInter-VLAN routingIPv4 addressing and subnettingStatic and dynamic routingOSPF, EIGRP, and BGPRoute advertisement and route selection conceptsAccess Control Lists (ACLs)First-hop redundancy conceptsNetwork interface and port-channel configurationTCP/IP networking conceptsMust possess an active DoD 8570, IAT Level II Certification Must possess an active CCNA Certification CERTIFICATION REQUIREMENT:Must possess and maintain both of the following: IAT Level II certification AND CCNA Certification PREFERRED QUALIFICATIONS:Experience configuring or supporting Cisco Catalyst switches and Cisco routers.Experience working within a large, complex enterprise network environment.Experience with standardized or template-based network configuration development.Experience with network configuration validation, technical or peer review, and change management processes.Experience with network automation, automated script development, or scripting languages such as Python, Bash, or PowerShell.Experience with CI/CD tools and practices, including Jenkins, GitLab, or similar technologies.Experience with automation, configuration management, or Infrastructure as Code (IaC) technologies such as Ansible, Terraform, CloudFormation, Chef, or Puppet.Familiarity with containerization and orchestration technologies such as Docker, Kubernetes, or Red Hat OpenShift.Experience with Linux/Unix environments and command-line tools.Experience with commercial cloud environments such as AWS or Azure.Experience with application administration, configuration, or integration.Experience with Atlassian and/or Azure DevOps products and associated workflows. LOCATION:On-site 100%. Norfolk, VAOther acceptable work location: Bremerton WA, Jacksonville FL, Honolulu HI, San Diego CA or Washington DC ADDITIONAL INFORMATION:CLEARANCE REQUIREMENT: Must possess an active DoD Secret Clearance. In addition, selected candidate must undergo background investigation (BI) and finger printing by the federal agency and successfully pass the preceding to qualify for the position. US CITIZENSHIP IS REQUIRED. CRITICAL SOLUTIONS PAY AND BENEFITS:Salary range $87,00 - $112,000. Salary range may vary depending on location.The salary range for this position represent the typical salary range for this job level and this does not guarantee a specific salary. Compensation is based upon multiple factors such as responsibilities of the job, education, experience, knowledge, skills, certifications, and other requirements.BENEFIT SNAPSHOT: 100% premium coverage for Medical, Dental, Vision, and Life Insurance, Supplemental Insurance, 401K matching, Flexible Time Off (PTO/Holidays), Higher Education/Training Reimbursement, and more.
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