Systems Administrator

Overview: Join Our Stellar Team at Castalia Systems! Are you ready to skyrocket your career with us? We're on the lookout for ambitious individuals who are eager to make their mark in a diverse and thriving environment.
At Castalia Systems, we're not just another company – we're a certified Woman Owned Small Business (WOSB) and Small Disadvantage Business (SDB) committed to excellence since 2011.
Join us in delivering top-tier solutions to the dynamic Defense and Intelligence sector.
As valued members of our team, we prioritize your well-being.
Enjoy a comprehensive benefits package, including medical, dental, and vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too.
Responsibilities: Castalia Systems is seeking a Systems Administrator in the Dulles, VA area.
Castalia Systems is supporting a U.
S.
Government customer on a large mission critical development and sustainment program to design, build, deliver, and operate a network operations environment including introducing new cyber capabilities to address emerging threats.
Castalia is seeking a Systems Administrator with Azure experience to support the design, development, and deployment of advanced cybersecurity capabilities.
A qualified candidate will perform the following duties and responsibilities, but are not limited to: Working on building, provisioning, and versioning cloud resources using infrastructure as code tools including PowerShell and Terraform to manage the Azure resources in the environment Providing technical and system administration support through troubleshooting, identifying & isolating issues, conducting root cause analysis, and implementing appropriate solutions Performing scans and remediating vulnerabilities in Linux and/or Windows Responding to application-related issues, resolving on-the-spot problems (when possible), replicating the issue for internal analysis/diagnosis, and preparing technical documentation accurately depicting the problem and/or solution Working alone on individual projects while being involved in larger projects - Supporting the operations and maintenance aspects of deployed capabilities Supporting the development of system security documentation on new and previously deployed capabilities Managing the functionality and efficiency of a group of computers running on one or more operating systems Helping to maintain the integrity and security of IT systems Qualifications: Security Clearance Requirement: Must have an active Secret clearance and be able to obtain a TS/SCI clearance.
Must be able to obtain DHS Suitability.
Required Qualifications: Bachelor’s degree in Systems Engineering, Computer Science, Information Systems or related technical field.
Two (2) years of related work experience may be substituted for each year of degree level education.
Minimum DoD 8570.
1-M Compliance at IAT Level I required AND one of the following relevant vendor certifications required (Red Hat, Microsoft, Oracle, Solaris, UNIX, etc.
) 8+ years of applicable, hands-on experience Experience with Azure cloud administration, including management of Virtual Machines, Automation Accounts, Networking services, Network Security Groups, and Azure SEIM Tools like Sentinel and multi-cloud security tools like Defender for Cloud Meaningful, hands-on experience performing scans and remediating vulnerabilities in cloud environments.
Must be able to manage the functionality and efficiency of a virtual desktop pool by proactively and reactively responding to trouble and incident tickets Knowledge of the principles, methods, and techniques used in systems administration Ability to develop and maintains system/security documentation Ability to interact with users to include software installs and hardware/software troubleshooting Must be able to maintain knowledge of current system design to connect, configure, and/or enable information systems, devices, or components Have the ability to assist team members by providing input to program deliverables Be able to provide support for maintenance and change requests for all user-facing devices and systems.
Preferred Qualifications: Experience with Azure Services, including Machine Learning, Analytics, Databases, Azure Identity and Security Services (Active Directory, Domain Services, Defender, Key Vault, Sentinel, Security Center), Management and Governance (Landing Zone, Automation, Cost, Policy, Compliance), Migration Services, Networking (including ExpressRoute, DNS, Network Watcher, and Load Balancers), and Development (including Azure DevOps, Infrastructure-as-Code (IaC) and Azure Functions for serverless solutions, ) Familiarity with the following technologies in a cloud environment: ELK Stack (ElasticSearch, Logstash, Kibana), Ansible, Nessus, ClamAV, AIDE, Splunk, DNS, NAT, git - AWS cloud technology knowledge and implementation experience Experience with Linux - Influential communication and ability to achieve alignment Scaled Agile Framework (SAFe) knowledge and experience Experience with agile tools, including Jira and Jira Align Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws.
All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct.