Classified Systems Administrator Security Clearance

Position: Classified Systems Administrator with Security Clearance
Title:

Classified Systems Administrator K  - Delivering Solutions, Changing the World. K  is a global leader in delivering technology-driven, mission-critical, and sustainable solutions that truly matter. For over a century, we have powered bold missions across defense, space, industry, and government through our two core business lines Mission Technology Solutions and Sustainable Technology Solutions. With nearly 38,000 talented people operating in more than 80 countries, we thrive on a culture built on safety, integrity, and teamwork.

At K , we empower our people to solve the world's toughest challenges and create lasting value for communities and the planet. We don't just deliver results, we deliver game-changing solutions, innovative technology, deep domain expertise, and cutting-edge technologies. K  is seeking a Classified Systems Administrator to join our Corporate IT team in Huntsville, AL. This role is responsible for supporting the administration, configuration, and sustainment of classified information systems within a secure classified environment.

You will oversee and maintain hardware, software, operating systems, and peripheral equipment including servers, desktops, zero clients, storage devices, network gear, and virtualization infrastructure while ensuring system availability, data integrity, and compliance with basic security and recovery procedures such as backups and restorations. Working closely with cross-functional IT teams, you will apply standard system administration concepts to analyze issues, troubleshoot systems, and implement effective solutions.

This is a full-time, on-site position.

Key Responsibilities
* Administer, maintain, and support classified computer systems hardware, network gear, software, information systems, and peripheral equipment including servers, desktops, zero clients, storage devices, and virtualization infrastructure

* Install, configure, upgrade, and maintain data systems and operating environments including Windows, Linux, VMware, and SQL Server while performing routine system maintenance such as patching and system backups

* Administer infrastructure components including servers, zero clients, databases, malware protection solutions, HBSS, and syslog servers to ensure secure and reliable operations

* Troubleshoot and resolve complex technical issues under general supervision, applying detailed knowledge of system administration principles and industry best practices

* Utilize experience and problem-solving skills to develop, document, and improve system administration processes, and implement system and process upgrades to enhance functionality and address security findings

* Prepare, author, and review configuration change requests and actively participate in configuration change review board meetings to ensure effective change management

* Identify potential risks, vulnerabilities, or inefficiencies within system configurations and recommend appropriate mitigation strategies

* Ensure compliance with data security policies, applicable legal and regulatory requirements, and DoD cybersecurity program implementation plans in accordance with DoD directives and Risk Management Framework requirements Basic Qualifications

Education & Experience:

* B.S. Degree in Computer Science, Information Technology, Systems Engineering, or related field and 2+ years of prior relevant experience. Additional relevant experience may be accepted in lieu of a degree

* Citizenship & Clearance:
Must be a US Citizen with the ability to obtain and maintain a DoD Secret clearance.

* Certifications:

Must have CompTIA Security+, CASP, or CISSP certifications or be able to obtain and maintain
Technical Expertise:
* Knowledge of operating system functions, security policies, and technical security safeguards

* Knowledge of NIST 800-53, DoD 5205.07 Series, Risk Management Framework, and Joint SAP Implementation Guide requirements

* Knowledge of performance monitoring and tuning, system upgrades and patching, backup and recovery, as well as troubleshooting and problem resolution

* Experience with Active Directory and Group Policy Objects

* Experience working independently and as part of a team in researching data and developing analytical techniques and methodologies

* Ability to move, rack, stack, and install physical equipment by lifting up to 25 lbs

Preferred Qualifications
* Experience with Windows user account management, administration, and access controls

* Systems Administration experience supporting United States Government classified environments

* Experience applying DISA STIGs and resolving security vulnerabilities

* Experience with Power Shell scripting

* Fundamental understanding of the OSI model

* Fundamental understanding of authentication mechanisms including Kerberos, LDAP, and NTLM, and use of necessary tools to troubleshoot them

* Understanding of technology areas including Active Directory, DHCP, DNS, Group Policy, and WSUS

* Knowledge of network protocols including TCP/IP, UDP, SMTP, NFS,…