Senior Systems Administrator

Senior (Cleared) Systems AdministratorThank 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.ResponsibilitiesDesign, 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, CloudWatch, 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.Qualifications10-15 years of experience with the following:Cloud Infrastructure & AutomationDeep experience with AWS (VPC, EC2, RDS, Lambda, S3, IAM, CloudFormation, CloudWatch).Cloud architecture design, deployment, security hardening, and monitoring.Infrastructure-as-Code (IaC) and automation best practices.Operating Systems ManagementAdvanced 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 PlatformsExpertise with Apache, PHP, MySQL, and enterprise-class web analytics platforms.Managing and optimizing web servers, databases, and application environments.Systems Troubleshooting & MaintenanceStrong 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 & AuthorizationImplementing 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 & AutomationAbility to design, build, and maintain custom scripts (shell, Python, PowerShell, etc.).Automating inventory, tracking, reporting, and other system operations across multiple security enclaves.Identity, Access & Enterprise ServicesUser account and access control management following least-privilege principles.Experience with Active Directory, DNS, Cloud Operations, GE0AxIS, VDSS, and related identity/security services.Technical Leadership & CommunicationProviding expert-level guidance to program leadership.Staying current on emerging web analytics technologies and trends.Clear documentation of system configurations, processes, issues, and compliance actions.Hardware & Software Lifecycle ManagementMaintaining inventory of hardware/software assets.Deploying software releases, upgrades, and enterprise-wide changes.Preferred Qualifications:Comprehensive understanding of NGA's web ecosystem and topology.Experience with PHP, Python, Bash, and PowerShell.Experience maintaining high-traffic web servers, AWS cloud technologies, security, and encryption.Experience within software/web/HTML development field.Experience creating, deploying, configuring, and maintaining cloud-based MySQL and other relational databases.Experience working with JavaScript, Web Services, SQL, and MySQL.Experience with Enterprise Services such as GEOAxIS, VDSS, Cloud Operations, Active Directory, DNS, etc.Clearance Requirement:Active TS/SCI with willingness to take CI PolyMust be a US CitizenBenefitsWe offer competitive benefits package including paid time off, healthcare benefits, supplemental benefits, 401k including an employer match, discount perks, rewards, and more. We invest in our employees - Every employee is eligible for education reimbursement for certifications, degrees, or professional development. Reimbursement amounts may fluctuate due to IRS limitations. We want you to grow as an expert and a leader and offer flexibility for you to take a course, complete a certification, or other professional growth and networking. We are committed to supporting your curiosity and sustaining a culture that prioritizes commitment to continuous professional development. We work hard; we play hard. Kentro is committed to incorporating fun into every day. We dedicate funds for activities - virtual and in-person - e.g., we host happy hours, holiday events, fitness & wellness events, and annual celebrations. In alignment with our commitment to our communities, we also host and attend charity galas/events. We believe in appreciating your commitment and building a positive workspace for you to be creative, innovative, and happy.Commitment Equal Opportunity Employment & VEVRAAKentro is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state or local law. Kentro is strongly committed to compliance with VEVRAA and other applicable federal, state, and local laws governing equal employment opportunity. We have developed comprehensive policies and procedures to ensure our hiring practices align with these requirements. As part of our VEVRAA compliance efforts, Kentro has established an equal opportunity plan outlining our commitment to recruiting, hiring, and advancing protected veterans. This plan is regularly reviewed and updated to ensure its effectiveness. We encourage protected veterans to self-identify during the application process. This information is strictly confidential and will only be used for reporting and compliance purposes as required by law. Our commitment to equal employment opportunity extends beyond legal compliance. We are dedicated to fostering an inclusive workplace where all employees, including protected veterans, are treated with dignity, respect, and fairness.