Senior System Engineer

Custom Software Systems (CSS) Inc. is seeking an accomplished Senior System Engineer with more than ten years of experience managing, maintaining, and securing complex enterprise environments. This role requires deep expertise in enterprise authentication, cloud and on-premise systems, advanced networking, and modern DevOps practices. The ideal candidate will have a strong background in designing and deploying secure, scalable, and maintainable solutions across IaaS, PaaS, and SaaS platforms, while also ensuring the reliability and performance of critical IT infrastructure. This position offers the opportunity to collaborate with internal teams and vendors, lead technology initiatives, and deliver innovative solutions that support mission-driven operations.

Responsibilities

• Manage, maintain, and secure enterprise authentication and authorization technologies and enterprise systems.

• Deploy, maintain, and troubleshoot on-premise hardware and infrastructure.

• Administer VMWare vSphere/Cloud Foundation and VMWare Aria/VCF Automation/Orchestrator for hybrid workloads.

• Design, deploy, and migrate secure and maintainable systems across IaaS, PaaS, and SaaS environments.

• Implement and optimize DevOps practices, including CI/CD pipelines, containerization, and Kubernetes deployment technologies (Helm, Kustomize, ArgoCD).

• Configure, monitor, and troubleshoot enterprise networking technologies, including:

• Cisco routed, switched, and wireless networking

• LAN/WAN architecture and routing protocols (BGP, OSPF)

• Data center networking (Cisco Nexus, VXLANs)

• Network monitoring and management tools (SolarWinds, Cisco Catalyst Center)

• Support enterprise telephony and collaboration systems, including:

• Cisco CUCM, Unity, Webex Calling, CUBE, IP handsets, analog gateways

• Secure telephony solutions (vIPer, TSG phones)

• Audio/video conference room systems and collaboration platforms (Microsoft Teams, Webex, Zoom)

• Administer and secure enterprise systems, including Windows Servers, Linux Servers, Hadoop/Cloudera, middleware application servers, and SQL.

• Utilize programming/scripting languages (Bash, Python, PowerShell) for enterprise systems automation and management.

• Implement configuration management and automation tools (Ansible, SCCM, Cisco DNA/ACI).

• Deploy and manage enterprise and data center security solutions, including firewalls, proxy services, and identity-based platforms (Cisco ISE).

• Collaborate with teams to design, deploy, and monitor network infrastructure equipment and analysis tools.

• Ensure security, performance, and compliance across all enterprise IT systems.

Required Qualifications

• At least ten (10) years of demonstrated experience managing, maintaining, and securing;

• Enterprise authentication and authorization technologies

• Enterprise systems

Knowledge, Skills & Abilities

• Experience working with vendors to acquire licensing, software, hardware and maintenance contracts

• Experience deploying, maintaining and troubleshooting on premise hardware.

• Experience administering VMWare vSphere/Cloud

• Experience with Kubernetes technologies (and advanced deployment technologies) such as Helm, Kustomize and ArgoCD.

• Configuration Management and Automation tools experience, including but not limited to Ansible, SCCM, and Cisco DNA/ACI.

• Experience with the following enterprise networking and communications technologies, including:

• Cisco Routed and Switched Networking and Cisco Wireless Networking.

• LAN/WAN architecture and networking protocols such as BGP and OSPF.

• Data Center networking technologies, including Cisco Nexus and VXLANs

• Network management tools, such as SolarWinds and Cisco Catalyst Center

• Experienced in Cisco Voice/Telephony technologies, including CUCM, Cisco Unity, Cisco Webex Calling, Cisco CUBE, Cisco IP handsets, analog gateways, and secure telephony endpoints such as vIPer and TSG phones

• Skilled in Audio and Video Conference Room technologies and Web Collaboration Technologies such as Microsoft Teams, Webex, and Zoom.

• Demonstrated experience in:

• Designing, deploying, and migrating secure and maintainable systems for IaaS, PaaS, and SaaS environments.

• DevOps, CI/CD pipelines, containers, and related best practices for cloud deployment.

• Experienced with Service offerings in Amazon Web Services (AWS) and Microsoft Azure.

• Skilled in Foundation and VMWare Aria/VCF Automation and Orchestrator for on-premises workloads.

• Experience with enterprise authentication and authorization technologies, such as CentrifyLDAP, Kerberos, SAML, and Active Directory.

• Experience with enterprise systems, including:

• X Windows Servers

• X Linux Servers

• X Hadoop/Cloudera

• Middleware application servers

• Programming/Scripting languages for enterprise systems management, such as Bash, Python, and PowerShell.

• Demonstrated experience deploying, configuring, and monitoring network infrastructure equipment and analysis tools.

• Skilled with Audio and Video Conference Room technologies and Web Collaboration Technologies

• Enterprise and data center security, managing next-generation firewalls, proxy, and identity-based platforms such as Cisco ISE.

Clearance

N/A

Citizenship

US Citizenship

Preferred Qualifications

• Experience with just-in-time provisioning and zero-trust technologies such as Okta, AWS Systems Manager, and Azure ARC a plus.

• Experience with Infrastructure as Code (IaC) technologies such as Terraform, is a plus.

Compensation & Benefits

Wage Range: Negotiable

General Benefits:

Custom Software Systems, Inc. offers our employees a competitive benefits package that may include:

• Health insurance plans
• Health Savings Account (HSA)
• Dental
• Vision
• Long-term disability
• Short-term disability
• Basic term life insurance
• Supplemental term life insurance for employees, spouses, and dependents
• Simple IRA
• Parking/Commuting expense reimbursement
• Training/Education