Senior Systems Administrator; Cleared - TEG Security Clearance

Position: Senior Systems Administrator (Cleared) - TEG with Security Clearance
Overview Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. By joining our supportive community, you will find that Kentro is dedicated to your personal and professional development.

Together, we can drive meaningful change, spark innovation, and achieve extraordinary milestones. Kentro is hiring for a Senior (Cleared) Systems Administrator to support the National Geospatial-Intelligence Agency.

Location:

Onsite, Springfield, VA Compensation Range:
The salary for this position is between $190-195k/annually. Factors affecting pay within this range may include geography/market, skills, education, experience, and other qualifications of the successful candidate. Responsibilities
* Design, deploy, configure, secure, monitor, and manage a variety of cloud-based infrastructure components hosted within multiple cloud providers, including Amazon Web Service's VPC, EC2, RDS, Lambda, S3, Cloud Formation, Cloud Watch, IAM, etc.

* Install, configure, secure, upgrade, and maintain multiple operating systems such as Red Hat Enterprise Linux, CENTOS, and Windows Server in accordance with DoD, IC, and NGA policies.

* Maintain several enterprise-class web analytics collection platforms utilizing PHP, MySQL, Apache, and other similar technologies.

* Troubleshoot, document, and fix complex system, network, and database issues.

* Perform daily, weekly, and monthly system health checks and backups.

* Evaluate and install application and operating system security patches while maintaining a log of system problems, errors, failures, trends, and downtime metrics.

* Maintain hardware and software inventory lists and install software releases and upgrades.

* Create and manage application user accounts and access control using least privilege methodologies.

* Design, create, and utilize complex, custom scripts to inventory, track, and report NGA's official Web Inventory and associated web attributes on all security enclave.

* Provide program and senior leadership with expert level technical guidance on current and emerging web analytics technologies, tends, and potential issues.

* Perform and document all required actions necessary to obtain and maintain a full Authority To Operate (ATO) system accreditation, including implementing Security Technical Implementation Guides (STIG), collaborating with accreditation authorities, creating Plan of Action and Milestones (POA&M), populating XACTA, etc.

* Monitor Enterprise Security Services (ESS) and vulnerability dashboards and implement necessary corrective actions to maintain ESS compliance and Continuous Authority To Operate (cATO).

* Experience with GEOAxIS, VDSS, Cloud Operations, Active Directory, DNS, etc. Qualifications
* 10-15 years of experience with the following:
Cloud Infrastructure & Automation
* Deep experience with AWS (VPC, EC2, RDS, Lambda, S3, IAM, Cloud Formation, Cloud Watch).
* Cloud architecture design, deployment, security hardening, and monitoring.
* Infrastructure-as-Code (IaC) and automation best practices. Operating Systems Management
* Advanced administration of Red Hat Enterprise Linux, CENTOS, and Windows Server.
* OS installation, configuration, upgrading, securing, and patching in compliance with DoD, IC, and NGA policies.
* Familiarity with STIGs and security hardening methodologies. Web Technologies & Application Platforms
* Expertise with Apache, PHP, MySQL, and enterprise-class web analytics platforms.
* Managing and optimizing web servers, databases, and application environments. Systems Troubleshooting & Maintenance
* Strong diagnostic ability across systems, networks, and databases.
* Documentation and resolution of complex technical issues.
* Regular system health checks, backups, performance monitoring, and trend analysis. Security, Compliance & Authorization
* Implementing and maintaining ATO/cATO requirements, including POA&M creation and XACTA population.
* Monitoring and responding to vulnerabilities via Enterprise Security Services (ESS).
* Applying OS and application security patches systematically and maintaining audit logs. Scripting & Automation
* Ability to design, build, and maintain custom scripts (shell, Python, Power Shell, etc.).
* Automating inventory, tracking, reporting, and other system operations across multiple security enclaves. Identity, Access & Enterprise Services
* User account and access control management following least-privilege principles.
* Experience with Active Directory, DNS, Cloud Operations, GE0

AxIS, VDSS, and related identity/security services. Technical Leadership & Communication
* Providing expert-level guidance to program leadership.
* Staying current on emerging web analytics technologies and trends.
* Clear documentation of system configurations, processes, issues, and compliance…