Overview Arcfield is a leading provider of full lifecycle, mission-focused systems engineering and integration capabilities to the U.S. government and its allies. The company has more than 60 years of proven experience providing advanced engineering and analysis, IT and C5ISR capabilities to support our nation’s most critical national security missions. Headquartered in Chantilly, VA and with 16 offices around the world, Arcfield employs approximately 1,200 engineers, analysts, IT specialists, and other professionals who put our customers’ missions first, helping them solve their most complex challenges through innovations in modeling, simulation and analysis, digital transformation and C5ISR. Visit arcfield.com for more details. Responsibilities 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 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) Equal Pay Act This is the projected compensation range for this position. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, Arcfield invests in its employees beyond just compensation. Arcfield ’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long-Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. Min: $72,877.48 Max: $126,719.80 EEO Statement 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.