System Administrator

Job Posted 3/19/2025

Kratos Defense

Colorado Springs, CO

United States

Category Information Technology

Job Description

Ready for What's Next? At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees, and families. Recognized as thought leaders in our industry, we are motivated by creating and delivering innovative solutions to our nation and global customers. Kratos has an exciting opportunity for a System Administrator to support system and infrastructure engineers, cloud engineers, and developers in the execution of information assurance and security. The System Administrator will be assisting with the compliance of classified government contracts and systems. Will be responsible for the security administration, patching, configuration, and security of classified government systems. Reports to the Information Systems Security Manager, and perform all tasks assigned to them. The System Administrator will also support vulnerability and risk assessment analyses to gain and maintain Assessment & Authorization and maintain configuration management for information system security software, hardware, and firmware.

This position is based on multiple DoD Directives; including DoD 5205.07 volumes 1-4; DoDD 5205.02E; DoDI 5025.01, 5205.11, 5200.39, 5220.22, DoDM 3305.13; DoD 8140 series; Intelligence Community Directive Series 500/600/700; NIST 800 series special publications; Executive Orders 13556 and 13636, the Joint Special Access Program Implementation Guide Rev 4, and DISA Security Technical Implementation Guides.

Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. U.S. citizenship is required. Travel to customer sites and other program locations may be required.

Primary Responsibilities:

Network Administration:

Apply DISA STIGs to network devices as applicable
Provide recommendations to ISSM/O on network configurations, system configurations, functionality, and security
Familiarity with fundamental networking/distributed computing environment concepts; ability to configure file sharing (NFS/SAMBA or Windows); ability to query DNS records; understanding of basic routing concepts

Infrastructure Support:

Maintains and monitors system environment and equipment.
Performs hardware/software/firmware installation and upgrades per established policy.
Configure systems to comply with the current STIG per established guidance.
Creates or modifies system folder structure based on data owner request.
Creates/modifies/deletes security groups and manage user accounts, as required, to ensure the systems' active directory structure and file structure is maintained according to established policy.
Conducts routine maintenance on the infrastructure according to established, approved policy.
Refreshes/replaces and configures existing hardware according to operational requirements.
Performs system monitoring, verifying the integrity and availability of all resources.
Verifies completion of scheduled jobs (i.e., backups, event log transfer, etc.)
Ensures backup operations successfully complete.
Conducts ongoing performance tuning, resource optimization and memory reallocation.
Repairs/recovers from hardware or software failures and communicates with appropriate personnel.
Manage and support classified Hosted Systems
Provide support for systems and peripheral connections

Security Support:

Provides critical system administration support during incident response
Monitors available resources that provide warnings of system vulnerabilities or attacks
Isolates individual systems and necessary files for forensic analysis
Adds and removes users, in active directory, granting permissions to transfer removable media
Enables and disables physical access to transfer removable media at system endpoints
Reports all information system violations of corporate policies to the ISSM/O
Configure applications to alert in the event of an audit processing failure and record the event
Ensures the audit repository is included in the weekly backup
Performs antivirus/software update and patch management per ISSM/O direction
Ensures all remote maintenance connections are approved prior to establishing the connection
Ensures all remote maintenance connections are terminated at the end of the session
Sanitizes any equipment, per ISSM/O direction, prior to release
Monitors and controls non-local maintenance and diagnostic activities
Notifies ISSM/O of any needed planned/out-of-cycle operational configuration changes to the system.
Perform tasks to assist in the execution of Continuous Monitoring Strategies.
Prepare equipment for the decommissioning process and assist in the destruction and sanitization processes.
Test sanitization and destruction equipment.

US Citizenship
Current Top-Secret clearance with SCI eligibility
Bachelor's degree in relevant field and 2 years' experience, or 5 years of experience without degree
Security+ certification
Excellent written, verbal and presentation skills
Knowledgeable on Microsoft software
Must be able to obtain access to Special Access Programs
Must be willing to consent to a CI Polygraph

Desired Skills and Experience

3+ years of System Administrator experience in a TS/SCI environment supporting a government customer
Familiarity with computer networks include Microsoft Windows and Linux based operating systems as well as knowledge of network infrastructure and related protocols
Knowledge of current Risk Management Framework, supporting NIST standards, and DoD STIG hardening
Ability to write scripts in some administrative language (e.g., Perl, Python, VBScript, Windows PowerShell)
Strong interpersonal and communication skills; ability to write purchase justifications, train users in various topics, and interact positively with management
Independent problem-solving, self-direction
Works well independently and on a team

#LI-Onsite

Competitive salary based on experience and education
Salary Range: $89,000-$116,000

Kratos is valued for our ability to design and deliver leading edge, resilient solutions for aerospace communication, control, awareness and mission success across a continuum of offerings-from commercial to tailored custom solutions and integrated programs. Customers trust us to stay relevant and know we are in it for the long-haul. We bring both the capability and confidence that our customers value and depend on. And, we always deliver.