System Administrator
Independent Software
What You Will Do As a System Administrator Level 2 at Independent Software, you will support mission‑critical telecommunications and infrastructure systems that enable national defense and intelligence operations. You will provide operational monitoring, system administration, infrastructure support, troubleshooting, and maintenance for enterprise telecommunications environments supporting 24x7 mission requirements. You will work closely with network operations personnel, gateway watch teams, customers, and engineering staff to ensure reliable system performance, rapid incident response, and continuous operational readiness. This position is ideal for candidates who enjoy working in a fast‑paced operations environment supporting telecommunications systems, network infrastructure, and mission‑focused operational support activities. Key Responsibilities Perform installation, maintenance, troubleshooting, and repair of telecommunications systems and supporting infrastructure. Provide 24x7 monitoring, logging, ticketing, reporting, and operational support for mission and infrastructure systems. Monitor system health and respond to alerts, outages, and operational incidents. Coordinate with ISP personnel, Gateway Watch teams, and operational support staff to maintain situational awareness and ensure timely response to mission events. Support network infrastructure including routers, switches, and telecommunications equipment. Assist with router and switch updates in support of security and operational requirements. Document incidents, maintenance activities, troubleshooting efforts, and operational procedures. Support system administration activities across client/server and networked environments. Escalate issues as required and communicate status updates to customers, stakeholders, and management. Assist with system performance monitoring, capacity management, and operational sustainment activities. Support hardware installations, equipment upgrades, and infrastructure maintenance activities. Maintain compliance with organizational security and operational policies. Required Skills and Qualifications Experience supporting telecommunications, network, or enterprise infrastructure environments. Experience monitoring operational systems and responding to incidents in a 24x7 support environment. Knowledge of network fundamentals including TCP/IP, routing, switching, DNS, and DHCP. Experience troubleshooting hardware, software, and network‑related issues. Familiarity with ticketing systems, incident management, and operational reporting processes. Ability to analyze system issues and perform effective problem resolution. Strong verbal and written communication skills. Ability to work independently and collaboratively within operational support teams. Experience documenting procedures, troubleshooting activities, and operational workflows. Strong organizational and customer service skills. Candidates must be willing to work one of the following shifts: Wednesday – Sunday | 2:00 PM – 10:00 PM Sunday – Thursday | 9:00 AM – 5:00 PM Sunday – Thursday | 11:00 AM – 7:00 PM Tuesday – Saturday | 2:00 PM – 10:00 PM Sunday – Thursday | 3:00 PM – 11:00 PM Monday – Friday | 4:00 PM – 12:00 AM Saturday – Wednesday | 10:00 PM – 6:00 AM Wednesday – Sunday | 10:00 PM – 6:00 AM Education and Experience Bachelor’s degree from an accredited college or university and ten (10) years of relevant experience supporting systems administration, telecommunications, network operations, or infrastructure support activities. High School Diploma or GED and fifteen (15) years of relevant experience supporting systems administration, telecommunications, network operations, or infrastructure support activities. Certifications Must meet DoD 8570 IAT Level II certification. Clearance Requirement Must possess an active TS SCI with appropriate Polygraph to be considered for this role. Benefits Support critical national security missions. Benefit from a close‑knit, employee‑first culture. Expand your skills through ongoing training, mentorship, and career development. Enjoy competitive compensation, generous benefits, and work‑life balance. EEO Statement We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. #J-18808-Ljbffr
$75k - $100k
...Responsibilities As a Senior Systems Administrator with Sabre Systems you will be designing, deploying, and sustaining modernized Software Development Environments (SDE) within the current Cyber framework. This is a full time, in person role located at the Naval Air Station...SuggestedFull timeContract workFor contractors$77.6k - $176k
...capability advantage to perform advanced cyber‑focused research and development and software‑wide development. As a member of the system administration team, you will lead Windows administration to define and manage the Windows domain supporting cyber R & D activities. You’ll...SuggestedLocal area- ...General Dynamics Information Technology is looking for a Systems Administrator Principal in Maryland to advance customer operations while building your career in enterprise IT. This role requires 5+ years of experience and an active TS/SCI security clearance with polygraph...Suggested
- ...Reflexive Concepts is seeking a skilled System Administrator to join our team! The System Administrator provides support for implementation, troubleshooting, and maintenance of IT systems; manages the daily activities of configuration and operation of IT systems; and...Suggested
$10k
...that is rare within our industry. Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day...SuggestedFull timeContract workTemporary workSummer workImmediate start- ...infrastructure that powers unprecedented mission-critical analysis, scientific discovery, and scalable national security outcomes. As a System Administrator on this program, you will help deliver enhanced HPC capabilities across multi-vendor HPC servers, HPC clusters, and...Contract workTemporary workLocal area
- ...ELEVI is seeking a highly capable Systems Engineer to join our Annapolis Junction, MD area team. The role requires active security clearance with a polygraph, IAT Level 2, and CompTIA Security+ CE, along with ServiceNow certifications. You will design, develop, and enhance...
$130k - $145k
...with opportunities to grow and the ability to have an impact on every client you work with. ARSIEM is currently looking for a System Administrator 2. The position will support one of our Government clients in Annapolis Junction, MD. Responsibilities Provides support for...$97k - $105k
...Salary $97,000-105,000 / year City Annapolis Junction State/Province Maryland Country United States Job Description GTSC seeks a Systems Administrator, Tier 2 , Level 3. Location: Annapolis Junction, Maryland area Shift work - Sat to Wed 10 PM to 2 AM All work is on-site, in...Full timeWorldwideFlexible hoursShift work- ...our industry. Responsibilities Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations...Contract work
$92.3k - $166.85k
...Mid/Sr System Administrator Join us and make a difference in National Security! Job Summary The selected individual will provide system administration support for a large, complex network environment with geographically distributed systems. The role supports system engineering...Immediate startFlexible hours$189k - $207k
...applicant will be part of an Infrastructure Team supporting enabling the delivery of a dynamic course curriculum. The Windows Systems Administrator will be involved in the design, ongoing maturation and sustainment of an environment utilizing Windows Servers and Desktops....Immediate startFlexible hoursWeekend work- ...Description The role of Agile Developer includes examining, planning, confirming, ensuring, executing, utilizing, and sustaining software systems. Employ discrete mathematics, probability, statistics, and related subjects in computer science and allied fields to intricate...
- ...Vibrint seeks a System Administrator to deliver enhanced HPC capabilities across multi-vendor HPC servers and clusters, supporting mission-critical analysis and scientific discovery in national security contexts. The role requires an active TS/SCI with polygraph and US...
$10k
...experience that is rare within our industry. Responsibilities Provide support for implementation, troubleshooting and maintenance of IT systems Manage the daily activities of configuration and operation of IT systems Provide Tier 1 (Help Desk) problem identification,...Hourly payFull timeContract workTemporary workWork experience placementSummer workImmediate start- ...Usertech/Canterbury is seeking a Systems Administrator to join their passionate team focused on cybersecurity. The role involves maintaining systems infrastructure, troubleshooting IT systems, and managing server resources effectively. Candidates should have 5-15 years...
$10k
...System Administrator 1 – Columbia Technology Partners Columbia Technology Partners is seeking a System Administrator 1 to support the implementation, maintenance, and day‑to‑day operations of IT systems across enterprise environments. This role focuses on mission operations...Temporary workFor contractorsLocal area- ...virtual machines running in a cloud infrastructure (Amazon AWS). Evaluates systems for IAVA compliance and applies necessary security updates/patches. Performs command line system administration tasks on virtual machines. Handles regular system backups and periodically...Local area
$120k - $220k
...collaboration and shared success matter, we invite you to explore a career with BCT LLC. About the job: BCT LLC is seeking System Administrators to join our team. The ideal candidate must possess an active TS/SCI with POLY and have experience with Policy and/or a SIGINT...Local areaHome office$80k - $120k
...and flexible work environment, and the opportunity to work with experts in their field. The Position: We are looking for a System Administrator, Junior or Journeyman, who will be providing support to PMA-262, the Persistent Maritime Unmanned Aircraft Systems Program Office...Interim roleWork at officeFlexible hours- ...Freedom TechnologySolutionsGroup is seeking a highly skilled Systems Administrator to support one of our partners in delivering secure, resilient, and mission‑critical capabilities across a complex environment. This role requires independent and team‑based execution, proactive...Flexible hoursNight shift
$130k - $160k
...System Administrator 1 – Responsibilities Provide Tier1 (Help Desk) and Tier2 (Escalation) problem identification, diagnosis and resolution. Support the implementation, troubleshooting and maintenance of IT systems. Manage IT system infrastructure and related processes...Work experience placement- ...technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking an experienced Systems Administrator to support the administration, maintenance, and modernization of enterprise identity and access management (IAM) solutions...
$170k - $250k
...Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining the organization’s core IT infrastructure. This role provides Tier3 support for complex incidents, leads infrastructure projects...Permanent employmentContract workWork experience placementLocal area- ...software engineering on similar contracts, a Bachelor’s degree in Computer Science or related field, and DoD 8570 IA Technical Level II or higher. Familiarity with DevOps and AWS is expected to support and maintain IT systems across client environments. #J-18808-Ljbffr...
$165k - $190k
...Columbia Technology Partners is seeking an experienced System Administrator 3 to provide implementation, troubleshooting, maintenance, and operational support for mission‑critical IT systems. Key Responsibilities Provide implementation, troubleshooting, maintenance, and...Local area$175k - $225k
...focused on bringing innovative solutions to the difficult mission problems facing our customers. Description We are seeking a System Administrator who provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT...Hourly payExtra incomeTemporary workImmediate startFlexible hours$75k - $150k
...employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for an enterprising System Administrator to develop and implement Windows- and Linux-based engineering solutions within a government software hosting facility. This...Full timeContract workTemporary workCasual workFlexible hours- ...System Administrator 1 – Avid Technology Professionals Location: Annapolis Junction, MD Responsibilities & Qualifications Containers/Cloud environments Storage Management Virtualization IP networking and firewall experience All Linux: solid understanding of PKI/TLS/crypto...Full time
- ...Shield Consulting Solutions in Annapolis Junction, MD is seeking a Systems Administrator to support a 24x7 mission-critical watch center. You will maintain customer computers and networks ensuring critical data is collected, processed, and transmitted for national decision...Shift workRotating shiftWeekend workDay shiftAfternoon shift
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