NetworkSystem Administrator II

*This position requires a TS/SCI Clearance and Special Access Program Experience*

At System High Corporationa Top Washington-Area Workplace (The Washington Post ) a Top Workplaces Culture Excellence honoree (April 2025) and a three-time VETS Indexes 3-Star Employerwe protect and advance the nations most critical missions. As part of our team youll tackle complex security challenges across SAP SCI and Collateral programs. If youre driven by national security innovation and integrity we want to hear from you.

Position Overview

System High Corporation delivers the most advanced protection and secrecy solutions to secure and strengthen critical missions programs operations and intelligence activities. We are seeking a Network/System Administrator II to help contribute to our success and help us solve problems with innovation through intelligence.

The primary function will be to organize install and support government organizations computer systems including local area networks (LANs) wide area networks (WANs) network segments intranets and other data communication systems. This will also include helping architect design and analyze network models. It will require participation in decisions about buying future hardware or software to upgrade organizations infrastructure. This position might be called upon to provide technical support to computer users to help solve users problems. This position will support activities within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies such as HQ Air Force Office of the Secretary of Defense (OSD) and Military Compartments efforts. The position will provide day-to-day support for Collateral Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Duties include but not limited to:

• Ability to operate under minimal supervision
• Execute day to day management and operations of systems and networks
• Manage COTS & GOTS products to collect display and remediate a variety of automated system security and system operations/performance functions and metrics
• Follow Operations and Maintenance (O&M) checklists to maintain the service (daily weekly monthly yearly O&M checklists); build Tactics Techniques and Processes (TTPs) and Standard Operating Processes (SOPs) associated with service checklists
• Operate monitoring tools/capabilities with the enterprise security information and event management (SIEM) and create/tailor complex event alarms/rules and summary reports
• Assist in analyzing technical risk upon request of emerging cybersecurity tools and processes
• Work as part of a security incident response team as needed
• Working technical competency in one or more of the following supported platforms: Microsoft Windows Server Red Hat Enterprise Linux servers MS Hyper-V/VMWare/ESx/Xen Hypervisors Enterprise networking/firewalls/intrusion detection/prevention systems forensic analysis/vulnerability assessment Group Policy management and configuration Scripting BMC FootprintsWSUSLumension Bitlocker SQL Server 2012 TomCat IIS Windows Server 2012r2/2016 Win 10 Red Hat 6.5 Microsoft Office
• Toolkits SEIMs Logrhythm ACAS/Nessus/SCAP mandatory/role-based access control concepts (e. g. SE Linux extensions to RHEL PitBull AppArmor and Sentris)video teleconferencing/VOIP Oracle/MS SQL database security and Apache/IIS Web server security

Clearance

• Current Top-Secret Clearance with SCI Eligibility
• Eligibility for access to Special Access Program Information
• Willingness to submit to a Counterintelligence polygraph

Years of Experience

3-5 of related experience

• Bachelors degree in a related area or equivalent experience (4 years)

Certifications:

• Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 2 within 6 months of the date of hire

• Thorough knowledge of Microsoft Windows desktop and server operating systems Microsoft Exchange Server and as needed RHEL operating systems administration and associated hardware
• Working knowledge of CISCO network and switching and virtualization technologies
• Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies
• Working knowledge communication security (COMSEC) policies and integration
• Working knowledge of Risk Management Framework Common Criteria and System Security Policy as they relate to assessments and authorization
• Working knowledge and current relevant experience with PL2 and PL3 network environments/systems
• Experience providing technical support in a customer service role
• Experience applying industry standards and best practices in an enterprise-level Windows system environment.
• Experience solving technical problems quickly and identifying opportunities to automate repetitive processes.
• Working knowledge of WSUS and/or YUM patch deployment methodologies
• Must be familiar with DoD policy as it applies to implementing and executing system and network administration
• Must be able to regularly lift up to 50 lbs.

Additional Information

• This job description is not designed to cover or contain all job duties required of the employee. There may be additional activities duties and/or responsibilities that are required for this position that are not listed in this job description.
• In compliance with federal law all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.

• System High is a Military friendly employer. Our extensive work on behalf of the U.S. government offers those who have served in uniform an opportunity to continue to serve their country in a new and exciting way while enjoying a successful civilian career.

• System High values the power and strength of diverse backgrounds on the culture and performance of our company. We strive to maintain an inclusive culture to encourage each employee to bring their whole self to the mission.
• System High Corporation is committed to equal employment opportunity regardless of race color ancestry religion sex national origin sexual orientation age citizenship marital status disability gender gender identity or expression veteran status or any other characteristic protected by law. We are proud to be an equal opportunity workplace.
• If you require a reasonable accommodation to apply for a position with us please email .
• Legal notices can be viewed on the following PDFs: Know Your Rights: Workplace Discrimination is Illegal; EPPA Notice; FMLA Notice

Warning: Beware of recruitment scams: System High will never request money or personal purchases during the hiring process. Verify all communications come from a or email address.