Senior Infrastructure Engineer
About The Position
VMware & Cloud Infrastructure Support the migration of virtual machines from on-premises VMware (VxRail clusters) to AWS Elastic VMware Service (EVS), including VM conversion, networking, and storage reconfiguration. Administer and maintain VMware vSphere environments, including ESXi hosts, vCenter, Site Recovery Manager (SRM), and vSAN/VxRail storage. Configure and manage AWS services including EC2, VPC, Route 53, IAM, S3, and CloudWatch in support of SBA workloads. Assist with AWS networking architecture including route advertisements, Transit Gateway configurations, and hybrid connectivity between on-premises and cloud environments. Server & Operating System Administration Administer Red Hat Enterprise Linux (RHEL) and Microsoft Windows Server (2016/2019/2022) environments, including patching, hardening, and performance tuning. Author and maintain security baselines for all operating systems; customize Tenable audit files for compliance scanning. Manage Microsoft Active Directory and Red Hat Directory Server integration for single sign-on and identity services. Support Windows Server API security hardening initiatives and Group Policy configurations. Application Infrastructure Support Support ColdFusion application servers, including deployment, SSL/TLS certificate management, and troubleshooting connectivity issues with external services (e.g., Treasury DNP web services). Assist with Oracle database infrastructure including performance monitoring, backup/recovery, and coordination with DBA staff. Configure and manage F5 BIG-IP load balancers, including SSL bridging, virtual server configurations, and health monitors. Cybersecurity & Compliance Execute vulnerability remediation within SBA’s SLA requirements (15-day critical, 30-day high) using Tenable for scanning and tracking. Support endpoint protection operations using SentinelOne and cloud security posture management via Wiz. Assist with POA&M management, audit evidence collection, and GAO/IG response preparation. Maintain compliance with FISMA, FedRAMP, and NIST 800-53 security control requirements. Monitoring, Backup & Disaster Recovery Support Dynatrace deployment and configuration for application performance monitoring and observability across the SBA environment. Administer backup solutions including Cohesity and Veeam Backup & Replication; manage backup schedules, restores, and capacity planning. Maintain and test disaster recovery procedures between Sterling and Irvine sites using VMware Site Recovery Manager. Collaboration & Documentation Manage infrastructure-related work in Atlassian tools (Jira, Confluence) within the FedRAMP-compliant Atlassian Government Cloud instance. Create and update ServiceNow records for portfolio reporting, change management, and incident tracking. Coordinate with cross-functional teams spanning OCA, OCFO, and OCIO program offices. Produce clear, detailed technical documentation for runbooks, architecture diagrams, and standard operating procedures.
Requirements
- Bachelor’s degree or additional Four(4) years of experience needed in lieu of degree.
- Minimum Six (6) years of experience in enterprise infrastructure engineering
- Strong hands-on experience with VMware vSphere (6.x/7.x/8.x), ESXi, vCenter, and VxRail or vSAN.
- Demonstrated experience with AWS cloud services (EC2, VPC, IAM, S3, Route 53, CloudWatch).
- Proficiency in Red Hat Enterprise Linux (RHEL 7/8/9) and Windows Server (2016/2019/2022) administration.
- Experience with F5 BIG-IP load balancer configuration including SSL bridging and virtual server management.
- Working knowledge of vulnerability management tools (Tenable/Nessus) and endpoint protection platforms.
- Understanding of federal compliance frameworks: FISMA, FedRAMP, NIST 800-53.
- Strong written and verbal communication skills for technical documentation and cross-team coordination.
- Must be a US Citizen or a Green Card holder.
- No visa sponsorship available for this position.
- Must be able to OBTAIN and MAINTAIN a Federal or DoD "PUBLIC TRUST"; candidates must obtain approved adjudication of their PUBLIC TRUST prior to onboarding with Guidehouse.
- Candidates with an ACTIVE PUBLIC TRUST or SUITABILITY are preferred.
Nice To Haves
- Active CISSP, AWS Solutions Architect, or equivalent certification.
- Experience working on federal projects preferred.
- Experience with VMware Site Recovery Manager (SRM) and disaster recovery operations.
- Familiarity with ColdFusion application server administration and Oracle database environments.
- Experience with Dynatrace or similar APM/observability platforms.
- Background in large-scale datacenter migration projects (especially VMware-to-cloud).
- Experience with Atlassian (Jira/Confluence) administration in FedRAMP environments.
- Familiarity with ServiceNow ITSM processes and integrations.
Responsibilities
- Support the migration of virtual machines from on-premises VMware (VxRail clusters) to AWS Elastic VMware Service (EVS), including VM conversion, networking, and storage reconfiguration.
- Administer and maintain VMware vSphere environments, including ESXi hosts, vCenter, Site Recovery Manager (SRM), and vSAN/VxRail storage.
- Configure and manage AWS services including EC2, VPC, Route 53, IAM, S3, and CloudWatch in support of SBA workloads.
- Assist with AWS networking architecture including route advertisements, Transit Gateway configurations, and hybrid connectivity between on-premises and cloud environments.
- Administer Red Hat Enterprise Linux (RHEL) and Microsoft Windows Server (2016/2019/2022) environments, including patching, hardening, and performance tuning.
- Author and maintain security baselines for all operating systems; customize Tenable audit files for compliance scanning.
- Manage Microsoft Active Directory and Red Hat Directory Server integration for single sign-on and identity services.
- Support Windows Server API security hardening initiatives and Group Policy configurations.
- Support ColdFusion application servers, including deployment, SSL/TLS certificate management, and troubleshooting connectivity issues with external services (e.g., Treasury DNP web services).
- Assist with Oracle database infrastructure including performance monitoring, backup/recovery, and coordination with DBA staff.
- Configure and manage F5 BIG-IP load balancers, including SSL bridging, virtual server configurations, and health monitors.
- Execute vulnerability remediation within SBA’s SLA requirements (15-day critical, 30-day high) using Tenable for scanning and tracking.
- Support endpoint protection operations using SentinelOne and cloud security posture management via Wiz.
- Assist with POA&M management, audit evidence collection, and GAO/IG response preparation.
- Maintain compliance with FISMA, FedRAMP, and NIST 800-53 security control requirements.
- Support Dynatrace deployment and configuration for application performance monitoring and observability across the SBA environment.
- Administer backup solutions including Cohesity and Veeam Backup & Replication; manage backup schedules, restores, and capacity planning.
- Maintain and test disaster recovery procedures between Sterling and Irvine sites using VMware Site Recovery Manager.
- Manage infrastructure-related work in Atlassian tools (Jira, Confluence) within the FedRAMP-compliant Atlassian Government Cloud instance.
- Create and update ServiceNow records for portfolio reporting, change management, and incident tracking.
- Coordinate with cross-functional teams spanning OCA, OCFO, and OCIO program offices.
- Produce clear, detailed technical documentation for runbooks, architecture diagrams, and standard operating procedures.
Benefits
- Medical, Rx, Dental & Vision Insurance
- Personal and Family Sick Time & Company Paid Holidays
- Parental Leave
- 401(k) Retirement Plan
- Group Term Life and Travel Assistance
- Voluntary Life and AD&D Insurance
- Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts
- Transit and Parking Commuter Benefits
- Short-Term & Long-Term Disability
- Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities
- Employee Referral Program
- Corporate Sponsored Events & Community Outreach
- Care.com annual membership
- Employee Assistance Program
- Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
- Position may be eligible for a discretionary variable incentive bonus
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
