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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Administrator & Database Engineer - **Company:** Caci Inc - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $120,800.0 - $265,800.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Amazon Web Services, Microsoft Azure, Cloud Engineering, Configuration Management, Cyber Security, Databases, Continuous Integration, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Network Troubleshooting, Linux System Administration, Log Analysis, Microsoft SQL Server, Performance Tuning, Public Key Infrastructure, Role-Based Access Control, Ansible, Security Content Automation Protocol, Security Information and Event Management, SQL Databases, Virtualization Technology, Software Vulnerability Management, Data Logging, Computer Networking Systems, Cloud Platform System, Indexer, Firewalls (Computer Science), Kubernetes, Information Technology, Nessus, Cloud Integration, Terraform, Vulnerability Analysis - **Published:** July 2, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9009049/senior-systems-administrator-database-engineer ## About the Role Required: * Active TS/SCI with Poly * Bachelor's degree in Computer Science, Information Technology, Engineering, or related field * Experience administering Windows and Linux systems in classified multi-network environments * Strong experience with Microsoft SQL Server administration (performance tuning, backup/restore, security, monitoring) * Experience supporting enterprise logging/monitoring/observability pipelines (platform-agnostic) * Hands-on experience with virtualization, storage, backup/restore, and system hardening * Experience with cloud system administration (networks, images, RBAC, policies, auditing) * Familiarity with vulnerability scanning tools (Nessus, SCAP, STIG Viewer) * Experience troubleshooting network connectivity, firewall, and routing issues impacting system visibility * Strong documentation skills and cross-functional communication abilities Desired: * Security+ CE or DoD 8570 IAT Level II certification * AWS or Azure administrator certification * Experience with containers (Kubernetes), automation (Ansible/Terraform), or CI/CD workflows * Experience supporting SIEM/log analytics onboarding and log source integration * Experience with DNS, DHCP, certificates, and PKI * Experience with SQL scripting, performance tuning, and database automation. ## Description The Senior Systems Administrator & Database Engineer is responsible for secure operations, configuration management, and sustainment of mission- critical systems across multiple classification domains. The engineer provides advanced support for both Windows and Linux environments, administers Microsoft SQL Server databases, maintains compliance and system integrity, and ensures reliable operations across enterprise platforms. This role supports cloud integration, system modernization, and operational continuity across classified and unclassified networks. Responsibilities include system hardening, vulnerability remediation, onboarding systems into enterprise security/log visibility platforms, preparing RMF/ATO documentation, and troubleshooting complex technical issues end - to -end. The engineer works closely with Cybersecurity, Network Engineering, Cloud Engineering, and mission system owners to ensure stability, availability, and compliance of core mission systems., * Administer and maintain Linux and Windows systems across all classification domains, ensuring secure and compliant operations * Perform configuration management, patching, STIG hardening, virtualization support (VMs, VDI), storage integration, and backup/restore operations * Manage system accounts, permissions, RBAC, PKI, and domain policies across multi-domain environments. * Administer, operate, and optimize Microsoft SQL Server databases across classification levels * Perform installation, configuration, performance tuning, indexing, monitoring, and backup/restore of SQL Server instances * Support database integration with logging, monitoring, and security platforms. * Ensure proper log generation, formatting, forwarding, and ingestion across hybrid on-prem and cloud environments * Maintain log integrity, retention compliance, and readiness for assessments and audits. * Maintain STIG compliance, secure configurations, and system baseline documentation * Interpret vulnerability scan results and coordinate remediation efforts across Windows, Linux, networked systems, and SQL Server * Maintain awareness of cloud auditing, activity tracking, and compliance monitoring for mission systems. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Dev & Test in the Cloud? 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How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [The best of two worlds - Bringing enterprise-grade Linux to the vehicle](https://www.wearedevelopers.com/videos/67-the-best-of-two-worlds-bringing-enterprise-grade-linux-to-the-vehicle) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Automated MS SQL Server database deployments with dacpacs and Azure DevOps](https://www.wearedevelopers.com/videos/334-automated-ms-sql-server-database-deployments-with-dacpacs-and-azure-devops) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)