Cloud Senior System Administrator / Integrator - TS/SCI with Polygraph

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Shape the Mission. Engineer the Future.

GDIT is seeking a Senior Cloud System Administrator / Integrator with deep experience supporting Army systems in cloud and hybrid environments. You will apply advanced systems design and integration principles to deliver secure, interoperable, and cloud-optimized solutions.

You will lead cloud integration and system administration efforts across on-prem, tactical, and cloud-hosted environments, ensuring secure, scalable, and mission-ready architectures aligned with Army and DoW cloud strategies, including AC2SP/ALTESS and relevant DoW cloud initiatives.

What You’ll Do:

• Lead cloud-focused integration and system administration across AC2SP/ALTESS-aligned environments, supporting Army cloud migration, modernization, and convergence initiatives
• Design and manage hybrid architectures that integrate:
  • On-prem Army systems
  • Tactical edge environments
  • Cloud platforms (e.g., Azure Government, Oracle Cloud Infrastructure, AC2SP, ALTESS)
• Administer and integrate workloads within Azure and OCI environments, including:
  • Compute (VMs, containers, serverless where applicable)
  • Storage (blobs, disks, object storage)
  • Networking (VNets, subnets, gateways, peering, VPNs)
  • Identity and access services (Azure AD, OCI IAM, role-based access control)
• Support migration and sustainment of geospatial systems (e.g., ArcGIS) into cloud-native and hybrid architectures, ensuring performance, reliability, and secure access
• Implement and maintain DevSecOps pipelines to support continuous integration and deployment (CI/CD) of cloud-hosted applications and services
• Automate system configuration, patching, and monitoring using:
  • PowerShell
  • Cloud-native automation tools (e.g., Azure Automation, OCI Resource Manager, Lambda/Functions)
  • Configuration management tools (e.g., Ansible, DSC)
• Ensure cloud-hosted systems meet DoD RMF, STIG, and Impact Level (IL2–IL6) compliance requirements
• Support cross-domain and multi-security-level integrations involving data flows between tactical, on-prem, and cloud environments
• Monitor cloud system health, performance, and availability using cloud-native observability tools (e.g., Azure Monitor, Log Analytics, OCI Monitoring, CloudWatch if applicable)
• Troubleshoot integration issues across multi-vendor and multi-cloud ecosystems in real time, ensuring mission continuity and resilience

Key Responsibilities:

• Serve as technical lead for cloud integration and system administration across AC2SP, Azure, OCI, and related cloud environments supporting Army missions.
• Develop and maintain cloud system architecture artifacts, including:
  • Cloud reference architectures
  • Data flow diagrams
  • Interface Control Documents (ICDs)
• Lead integration of geospatial platforms (e.g., ArcGIS Enterprise) into cloud-hosted and hybrid environments, ensuring secure access and optimized performance.
• Configure and manage:
  • Virtual machines, containers, and platform services in Azure/OCI
  • Identity and Access Management (IAM) in Azure AD and OCI, including:
    • Role-based access control (RBAC)
    • Conditional access and security policies
  • Networking in the cloud:
    • VNets, subnets, NSGs, gateways
    • Hybrid connectivity (VPN, ExpressRoute, FastConnect)
• Support cloud landing zone implementation and sustainment for Army and DoW environments.
• Implement automation and Infrastructure as Code (IaC) using tools such as:
  • Terraform
  • Azure Resource Manager (ARM templates)
  • OCI Resource Manager (Terraform-based)
• Apply PowerShell and REST API integrations for:
  • Cloud resource orchestration
  • Diagnostics and remediation
  • Automated governance and compliance checks
• Ensure compliance with:
  • Risk Management Framework (RMF)
  • DISA Security Technical Implementation Guides (STIGs)
  • DoD Cloud SRG (Impact Levels IL2–IL6)
• Provide technical input for AC2SP and Army cloud migration planning and execution, including assessments of readiness, risk, and performance.
• Deliver executive-level updates on cloud integration progress, risks, and system readiness.
• Operate effectively under time-sensitive conditions, providing executive-ready briefings, updates, and status reports to leadership and stakeholders.

Required Skills & Qualifications

• TS/SCIwith Polygraph. Cna sponsor for a Polygraph.
• Bachelor’s degree or higher in Information Systems, Computer Science, or a related field.
• Location: On Customer site
• 10+ years of experience in systems administrator, engineering, and integration supporting large-scale system sustainability.
• 5+ years of related DoW, Military, or US Government related experience.
• 8140 / IAT Level II certification (e.g., Security+, CySA+, or GSEC).
• At least one foundational cloud certification (required):
  • AWS Certified Cloud Practitioner
  • Microsoft Azure Fundamentals
  • Oracle Cloud Infrastructure Foundations Associate
• Preferred / Advanced Certifications - One or more associate or professional-level cloud certifications:
  • AWS Certified Solutions Architect Associate or Professional
  • Microsoft Azure Administrator Associate
  • Microsoft Azure Solutions Architect Expert
  • Oracle Cloud Infrastructure Architect Associate or Professional
• Security-focused certifications:
  • Certified Cloud Security Professional
  • CISSP
• Platform / operations certification (highly relevant for this role):
  • Certified Kubernetes Administrator (CKA)
• Demonstrated expertise in cloud system administration and integration for mission-critical environments, preferably Army/DoW.
• Knowledge of secure DevSecOps principles and CI/CD pipelines supporting rapid, secure capability deployment in cloud environments.
• Hands-on experience building, administering, and securing workloads in:
  • Microsoft Azure (Azure Government strongly preferred)
  • Oracle Cloud Infrastructure (OCI)
  • AC2SP or similar DoD cloud initiatives
• Strong scripting expertise, including:
  • PowerShell
  • Bash/Python (for multi-platform and automation tasks)
• Experience integrating automation with:
  • Cloud APIs (Azure, OCI, AWS where applicable)
  • Monitoring tools (Azure Monitor, Log Analytics, OCI Monitoring, SIEM platforms)
  • Configuration management systems (e.g., Ansible, DSC, SCCM)
• Knowledge of secure DevSecOps principles and CI/CD pipelines supporting rapid capability deployment.
• Experience with CI/CD pipelines and secure DevSecOps practices.
• Strong scripting expertise.
• Experience integrating automation with:
  • Cloud APIs
  • Monitoring tools
  • Configuration management systems

Cloud & Integration Expertise

• Hands-on experience with:
  • AC2SP/ALTESS environments and Army cloud initiatives
  • Microsoft Azure (preferred: Azure Government)
  • AWS Gov Cloud
  • Oracle Cloud Infrastructure
• Experience administering:
  • Cloud compute, storage, and networking
  • Identity and access management (IAM)
  • Hybrid cloud connectivity
• Experience integrating on-prem systems with cloud platforms.
• Familiarity with multi-cloud architectures and interoperability challenges.

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

Work Requirements

Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Travel Required

None

Citizenship

U.S. Citizenship Required