Columbia, Maryland, United States · On-site
$72k–$124k/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diver…
Skills: LMR System Administration, Security Monitoring, Vulnerability Scanning, Log Analysis, Technical Troubleshooting
Fulton, Maryland, United States · On-site
$146k–$277k/yr
Date Posted: 2026-07-23 Country: United States of America Location: US-MD-FULTON-8170 ~ 8170 Maple Lawn Blvd ~ MAPLE LAWN, Ste 190, 200 & 300 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Re…
Skills: Java, C++, Angular, GraphQL, REST
Maryland, United States · Remote OK
$121k–$163k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Software Engineering Job Qualifications: Ski…
Skills: Scala, Java, Back-End Development, RESTful API Design, Functional Programming
Laurel, Maryland, United States · On-site
$146k–$234k/yr
Responsibilities The Data Scientist will develop machine learning, data mining, statistical and graph-based algorithms to analyze and make sense of datasets; prototype or consider several algorithms and decide upon final…
Skills: Machine Learning, Data Mining, Statistical Analysis, Python, R
Anne Arundel County, Maryland, United States · On-site
We are on several winning teams...Come join us! Our work environment is limitless, you matter to us, your great work will be recognized, and there are many opportunities for advancement. Davis Unlimited Information Techn…
Skills: Resource-loaded Scheduling, MS Project, Primavera, Schedule Version Control, Configuration Management
Hagerstown, Maryland, United States · On-site
$26/hr–$36/hr
Do you have an eye for detail and a passion for developing innovation solutions? Join our team! The IT Support Technician III provides expert-level technical support and manages IT infrastructure projects. This role invo…
Skills: Technical Support, Infrastructure Project Management, Hardware Troubleshooting, Software Troubleshooting, Network Troubleshooting
Linthicum, Maryland, United States · On-site
$123k–$185k/yr
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportuniti…
Skills: Windows Server Administration, VMWare, Active Directory, Group Policy Objects, Security+ CE
Greenbelt, Maryland, United States · On-site
$108k–$195k/yr
The System Engineer performs a variety of systems engineering tasks, applying a comprehensive knowledge of concepts, processes, practices, and procedures on technical assignments. Provides analysis related to the design …
Skills: Network Engineering, Systems Integration, RF Interference Testing, VoIP/PBX Infrastructure, Distributed Antenna System (DAS)
Howard County, Maryland, United States · On-site
$175k–$181k/yr
Software Engineer - AWS/Cloud - 2+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a Software Engineer who shall be responsible for developing, sustaining, and troubleshooting GHOSTGEM…
Skills: Java, Spring Framework, AWS, Docker, Kubernetes
Fort Meade, Maryland, United States · On-site
$99k–$225k/yr
RMF Cybersecurity Engineer The Opportunity: Are you looking for an opportunity to share your experience in Cybersecurity? As a systems security and network security engineer, you can identify the NIST controls and docume…
Skills: Tenable SC, NIST 800-53, ACAS, eMASS, Vulnerability Assessment
Baltimore, Maryland, United States · On-site
$87k–$140k/yr
Salary Range: $87,373.00 - $139,674.00 Annually Hiring Salary Range: $87,373.00- $113,522.94 Annually Get to Know Us Welcome to the City of Baltimore! Experience the reward of a fulfilling career and enjoy the added elem…
Skills: Server Administration, Vulnerability Patching, Enterprise Backup, Storage Operations, Virtual Server Configuration
Odenton, Maryland, United States · Hybrid
$116k–$210k/yr
Leidos is seeking an experienced Network Engineer to join our Defense Enclave Services (DES) team, supporting an extensive digital modernization program critical to the Defense Information Systems Agency (DISA) and Depar…
Skills: Network Segmentation, Comply-to-Connect, Enterprise Network Design, Firewall Policy Management, Routing and Switching
Linthicum Heights, Maryland, United States · On-site
$108k–$195k/yr
Leidos has a new and exciting opportunity for a Senior AI Engineer in our Intel Sector. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Metho…
Skills: Python, LLM Integration, Data Engineering, Static Analyzers, RAG Framework
Anne Arundel County, Maryland, United States · On-site
$142k–$146k/yr
Software Data Engineer - AI/ML/LLM - 2+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering is looking for a Software Engineer who will develop, maintain, and enhance complex and diverse software systems based…
Skills: Software Engineering, AI/ML, LLM, Prompt Engineering, Retrieval-Augmented Generation (RAG)
Maryland, United States · On-site
$109k–$152k/yr
Calling all innovators – find your future at Fiserv. We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations…
Skills: Microsoft Azure, CI/CD, Terraform, Ansible, Azure DevOps
Hanover, Maryland, United States · Hybrid
$235k–$250k/yr
Purpose and Impact: If you want to be part of a dynamic Team delivering and engaging in cutting-edge training solutions, this is the place for you! Amentum is currently seeking a new team member to join the Mangrove team…
Skills: Python, Go, Javascript, Typescript, React
Aberdeen Proving Ground, Maryland, United States · Hybrid
$90k–$190k/yr
Job Title: Cloud Development Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental…
Skills: Azure, Java, Quarkus, Jakarta EE, Spring
Annapolis, Maryland, United States · On-site
$118k–$225k/yr
Date Posted: 2026-07-23 Country: United States of America Location: US-MD-ANNAPOLIS-905 ~ 2551 Riva Rd ~ BLDG 905 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Must be authoriz…
Skills: Python, JavaScript, Angular, PostgreSQL, API Design
Annapolis Junction, Maryland, United States · On-site
$34/hr–$46/hr
Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Technical S…
Skills: Help Desk Software, Remote Support, Technical Troubleshooting, Hardware Installation, Software Configuration
Annapolis Junction, Maryland, United States · On-site
$162k–$219k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualific…
Skills: Go, Rust, Systems Architecture, Distributed Systems, AI-Assisted Development
Columbia, Maryland, United States • On-site
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The LMR System Administrator is responsible for the operation, security monitoring, and continuous improvement of Land Mobile Radio environments. Key duties include analyzing system logs, reviewing vulnerability scans, and coordinating with vendors to ensure security compliance.
Candidates must possess a TS/SCI clearance with polygraph and a high school diploma or GED. Experience in administering mission-critical communications infrastructure and knowledge of security monitoring concepts are required.
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.
RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, workplace peripherals, and voice and video devices. We support local and campus area networks, including wireless and cable plant.
Join a mission-focused team supporting critical Land Mobile Radio communications infrastructure. We are seeking a detail-oriented LMR System Administrator who brings strong technical troubleshooting, security monitoring, and collaboration skills to help maintain reliable, compliant, and secure communications systems for customer operations.
The LMR System Administrator will support the operation, monitoring, security, and continuous improvement of the Land Mobile Radio environment. This role is responsible for maintaining system visibility through logging, reviewing scan outputs, identifying anomalies, supporting security posture and improvements, and partnering with internal tools and security teams to improve operational efficiency and compliance.
This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. Work to be performed at a government customer site in Columbia, MD.
Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)
Our Land Mobile Radio (LMR) System Administrator (Government) earns $72,000 - $124,400 yearly. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.
Joining our team comes with amazing perks and benefits:
Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays) *Pro-rated when working less than 40 hrs/wk.
Paid Parental Leave
Paid Caregiver Leave
Additional sick leave beyond what state and local law require may be available but is unprotected · Adoption Reimbursement
Disability Benefits (short term and long term)
Life and Accidental Death Insurance
Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
Employee Assistance Programs (EAP)
Extensive employee wellness programs
Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T wireline phone
It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
We understand that our customers want an easier, less complicated life. We’re using our network, labs, products, services, and people to create a world where everything works together seamlessly, and life is better as a result. How will we continue to drive for this excellence in innovation? With you. Our people, and their passion to succeed, are at the heart of what we do. Today, we’re poised to connect millions of people with their world, delivering the human benefits of technology in ways that defy the imaginable. What are you dreaming of doing with your career? Find stories about our talent, career advice, opportunities, company news, and innovations here on LinkedIn. To learn more about joining AT&T, visit: http://www.att.jobs We provide in some of our posts links to articles or posts from third-party websites unaffiliated with AT&T. In doing so, AT&T is not adopting, endorsing or otherwise approving the content of those articles or posts. AT&T is providing this content for your information only.
Offices: 208 S. Akard Street, Dallas, TX 75202, US · 2250 E Imperial Hwy, El Segundo, CA 90245, US
Based on 3136 listings with disclosed salaries, most technology jobs in Maryland pay between $90k–$220k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 3,934 open technology positions in Maryland listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Leidos, Peraton, Northrop Grumman, Booz Allen Hamilton, Northrop Grumman Mission Systems, Inc., among others. Browse the listings above to see every active employer.
Yes — 1236 of the 3934 open technology positions offer remote or hybrid work (378 remote, 858 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
