Systems Administrator - Senior

Arcfield was purpose-built to protect the nation and its allies through innovations in digital transformation, space mission engineering and launch assurance, miniaturized sensors and satellites, advanced modeling and simulation, cybersecurity, and conventional and hypersonic missile support. Headquartered in Chantilly, VA with 16 global offices, Arcfield employs more than 1,500 engineers, analysts, IT specialists, and other professionals with more than 60 years of collective proven experience supporting missions in cyber and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness. Visit arcfield.com for more details.

Arcfield is seeking a Senior System Administrator to manage and execute network, hardware, and software system administration activities for systems supporting product lifecycle engineering efforts. US Citizenship and the ability to obtain a US Government Secret security clearance are mandatory.

Responsibilities include:

• Apply strong leadership, organizational, and communications skills to ensure continuous network and systems functionality and security.
• Maintain a strong working knowledge of government requirements associated with maintenance of network environments and system components.
• Establish and monitor a schedule of required system administration events to ensure all systems remain up-to-date. For example, application of software patches, firmware updates, PKI certificate continuity, backup/restore functionality, audit management, and software license continuity.
• Work on-site at the Arcfield office in Rome, NY during core business hours (8:00 - 5:00, M-F). Occasional schedule modification will be required to support after-hours updates necessary to limit impact to system users during core working hours.
• Monitor Help Desk tickets submitted by system users to ensure timely resolution of submitted issues.
• Establish and maintain documentation which describes all components of the system environment.
• Recommend system environment changes to increase usability, efficiency, up-time, or security. If appropriate, specify required hardware/software components and coordinate purchase processes. Upon approval, implement defined changes.
• Coordinate with program management and technical leads through a Configuration Approval Board (CAB) process any significant changes to the system environment prior to execution of change.
• No travel for this position is anticipated.

Qualifications include:

• BS 5-7 Years, MS 3-5, PhD 0-2, or equivalent skills gained through on-the-job experience
• Must possess an active Secret clearance
• US Citizenship.
• Exceptional organizational skills.
• Proven ability to communicate effectively in both written and verbal form.
• Strong analysis, evaluation, and judgment skills (critical thinking).
• System Administration: Experienced / Proficient

• Microsoft Windows Server (2019, 2022)
• Microsoft Active Directory / Directory Services (DS)
• Microsoft Windows 11 Professional
• MS Office (2019, 2021, O365)
• Red Hat Enterprise Linux (RHEL 7, 8, 9)
• Red Hat Enterprise Linux SE-Linux (Security Enhanced Linux architecture)
• Red Hat Identity Management Server (IdM) / Identity Policy Audit (IPA)
• Broadcom VMware vSphere Foundation (VVF, formerly vSphere 8.0)
• TrueNAS Network Attached Storage
• Cisco IOS (Routers, Switches)
• Aruba Networking Solution Products
• Hewlett Packard servers
• Dell EMC servers

• System Administration: Desired experience / Familiarity

• Ubuntu LTS Operating System
• CentOS 7 Operating System
• GitLab DevOps Software
• Apache Guacamole Remote Desktop Gateway
• FileHold Document Management Software
• Trend Micro Advanced Threat Protection Software
• Tenable Nessus Vulnerability Scanner Software
• Windows Server Update Service (WSUS)
• Kubernetes Container Orchestration System
• Let's Encrypt SSL Certificates
• Department of Defense (DoD) Common Access Card (CAC) Usage
• Computer and Network Hardware Maintenance and Support
• CAT6 and Fiber Optic Cable Routing
• SFP+ and SFP28 Transceivers
• One-way data transfer devices (diodes)

EEO

Arcfield proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.