Senior IT Help Desk Technician (TS/SCI) {S}

Senior IT Help Desk Technician (TS/SCI CI Poly) {S} Job Category : IT Requisition Number : SENIO003226 Apply now Posted : February 10, 2026 Full-Time On-site Locations Showing 1 location Stratagem Group KoP 900 E 8th Ave King Of Prussia, PA 19406, USA ARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the national security space enterprise. Built on more than six decades of excellence, ARKA brings modern approaches and a culture of innovation to the challenges of today. Join the ARKA team to learn how Beyond Begins Here. Discover your next career opportunity now! Position Overview: Supporting ARKA’s King of Prussia site, the IT Help Desk Technician will be the sole onsite IT support for an office of approximately 70 end users. You will play a critical role in expanding and updating the site. With a customer-centric approach, you will be responsible for diagnosing, troubleshooting, and documenting technical issues through onsite and remote support. Responsibilities: Provide IT support through chat, phone, email, in person and ticketing system Triage and respond to all requests in an appropriate and timely manner Document, record, and log work in the ticket system Facilitate onboarding and offboarding of users Maintaining inventory of IT equipment Installation, configuration, upgrade, and maintenance of desktops, laptops, notebooks, printers, mobile devices, and cell phones Assign file and folder permissions as needed Support various technologies including Windows Desktop/Server/Active Directory architecture, Microsoft365 Collaboration suite (Outlook/Exchange email, Teams collaboration, etc.) and Multifactor authentication Partner with other help desk team members and elevate issues accordingly May occasionally work off-hours, including weekly on-call schedule, to support the coordination of problem resolution and maintain continuous operations Required Qualifications: High School Diploma; bachelor’s in information technology, computer science, or related field preferred 3+ years’ work experience in helpdesk support; experience being the sole IT support for a single site is a plus Knowledge of computer systems, cloud applications, and networks with various operating systems and solutions Excellent communication and documentation skills Proven customer-focused service orientation Proven knowledge of basic troubleshooting Strong problem-solving skills Ability to maintain a high degree of flexibility and assist others as needed Ability to be onsite in King of Prussia 5 days/week Security+ Certification Active TS/SCI CI Poly U.S. Government Security Clearance Location: King of Prussia, PA Situated less than an hour outside of Philadelphia and hosting the largest mall on the east coast, King of Prussia offers the urban feel sought in the city, while also giving opportunities to experience the beauty and history found only in Pennsylvania. What We Offer: Company contributions to qualified HSA accounts 401k retirement plan with industry leading company contributions 3 weeks of vacation accrual per year plus time off for sick leave and unscheduled life events 13 paid holidays Upfront tuition assistance for approved degree programs Annual bonus program based on company and employee performance Company paid life insurance, AD&D, Short-Term and Long-Term disability insurance 4 weeks paid Parental Leave Employee assistance program (EAP) This job operates in a professional office environment. While performing the duties of this job, the employee routinely is required to use hands to keyboard, communicate, listen to, and interpret instructions and remain stationary for extended periods of the time. This would require the ability to move around the campus and occasionally move/lift items weighing up to 25 lbs. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job. Applicants are invited to apply for a reasonable accommodation to perform the essential duties of the job. To apply, send a request to View email address on click.appcast.io or contact View phone number on click.appcast.io and press 2 for Human Resources. ITC & Security Clearance Requirements: This position requires an active TS/SCI CI Poly U.S. Government Security Clearance. Visa Restrictions: No visa sponsorship is available for this position. Pre-employment Screenings: Employment with any ARKA companies in the U.S. is contingent upon satisfactory completion of several pre-employment requirements to include a credit check, background check, and drug screen. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor. #J-18808-Ljbffr TSG