Aberdeen, Maryland, United States · On-site
$51k–$92k/yr
The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos currently has an opening for a Field Service Technician at the U.S. Army Combat Capabilities Development Command – Chemical Biological Center (D…
Skills: Toxic Chemical Monitoring, Equipment Setup, HEPA Filtration Systems, HEGA Filtration Systems, Respiratory Protection
California, Maryland, United States · On-site
$66k–$85k/yr
Requisition Number: 29205 Required Travel: 11 - 25% Employment Type: Full Time/Hourly/Non-Exempt Anticipated Salary Range: $66,006.00 - $85,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resi…
Skills: Platform Integration, Electrical Circuit Design, Troubleshooting, Wiring Schematics, Harness Fabrication
Towson, Maryland, United States · On-site
$78k–$125k/yr
EHS Senior Specialist-OnsiteTowson, MD The Sr. EHS Specialist provides advanced technical support for the development, implementation, and continuous improvement of EHS programs at the facility. Serves as a subject matte…
Skills: EHS Management, Regulatory Compliance, Risk Assessment, Incident Investigation, Root Cause Analysis
Bethesda, Maryland, United States · On-site
Overview Admiral Security Services was established in 1976 and has consistently grown for over four decades. Today, we service hundreds of locations nationally, provide security coverage to millions of square feet of pub…
Skills: Access Control, Customer Service, Multitasking, Microsoft Office, Observation and Reporting
Landover, Maryland, United States · On-site
$15/hr–$18/hr
Marshalls At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. You’ll be part of our vibrant team that embraces diversity, fosters collaboration, and prioritizes your development…
Skills: Verbal Communication, Written Communication, Decision Making, Initiative, Time Management
Annapolis Junction, Maryland, United States · Hybrid
$99k–$225k/yr
SIGINT Analyst The Opportunity: Are you energized by solving hard technical problems? Do you get lost, in the best way, in waveforms, network behaviors, and the challenge of uncovering what’s hidden in the noise? If deco…
Skills: Signals Analysis, Network Protocol Analysis, Traffic Analysis, RF Concepts, Linux
Bel Air, Maryland, United States · On-site
Job Description Summary: Troubleshoot, inspect, repair and replace security mechanisms, plumbing equipment, electrical devices, and air conditioning and heating systems; oversee contractors who come in to perform repairs…
Skills: Building Maintenance, Plumbing, Electrical Repair, HVAC Operations, Security Systems Maintenance
Annapolis, Maryland, United States · On-site
$130k–$160k/yr
Amentum is seeking a System Administrator 1 to provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of sta…
Skills: Tier 1 Support, Tier 2 Support, Windows OS, Linux OS, UNIX
Baltimore, Maryland, United States · On-site
Overview Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and colla…
Skills: Security Patrols, Incident Reporting, Conflict Mediation, Emergency Notification, Public Communication
Fort Meade, Maryland, United States · On-site
$87k–$198k/yr
Malware Reverse Engineer, Senior The Opportunity: Do you enjoy the thrill of the hunt? Are you motivated by the head-to-head challenge of gaining access to well-protected networks? As a network exploitation professional,…
Skills: Malware Reverse Engineering, Static Analysis, Dynamic Analysis, Python, JavaScript
Fort Meade, Maryland, United States · On-site
$73k–$149k/yr
Job Title: Test & Integration Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: …
Skills: Test Planning, Automated Testing, Python, Java, Operational Testing
Annapolis Junction, Maryland, United States · On-site
$122k–$253k/yr
Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber…
Skills: Proxmox VE, Linux Administration, Ansible, Bash, Python
Harford County, Maryland, United States · On-site
Security Specialist II Location: Aberdeen Proving Ground, MD Clearance Required: Secret Clearance **This position is contingent upon contract award** Job Description and Responsibilities: Experience interpreting, and pro…
Skills: Security Policy Interpretation, Classified Holdings Management, DD Form 254, Operations Security (OPSEC), Security Classification Guide (SCG)
Baltimore, Maryland, United States · On-site
$88k–$163k/yr
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to …
Skills: Requirements Analysis, Mission Engineering, Systems Architecture, Modeling And Simulation, Integration And Test
Harford County, Maryland, United States · On-site
Sr Fielding Coordinator Location: Aberdeen Proving Ground, MD Clearance Required: Secret Clearance **This position is contingent upon contract award** Job Description and Responsibilities: Experience coordinating pre-fie…
Skills: Fielding Coordination, Inventory Management, Performance Testing, GCCS-A, Training Development
Somerset County, Maryland, United States · On-site
$70k–$90k/yr
Job Description SummaryOrganization's Summary Statement: Critical Infrastructure: Industrial Control System (ICS) and Operational Technology (OT) Security. Applications and nominations are currently being accepted for th…
Skills: PLC Programming, SCADA Software, Network Configuration, Technical Training, Python
Fort Meade, Maryland, United States · On-site
$87k–$198k/yr
Offensive Cyberspace Operations Planner The Opportunity: Leverage expertise in military operations through the phases of planning, approval, and execution. Draft or edit Operational Plans (OPLANS), Operational Orders (OP…
Skills: Offensive Cyberspace Operations, Military Planning Process, OPLAN Drafting, OPORD Drafting, FRAGO Drafting
Harford County, Maryland, United States · On-site
Sr IT Specialist Location: Aberdeen Proving Ground, MD Clearance Required: Secret Clearance **This position is contingent upon contract award** Job Description and Responsibilities: Experience supporting, maintaining, tr…
Skills: Computer Systems Troubleshooting, Network Administration, Hardware Maintenance, Software Support, Customer Service
Aberdeen, Maryland, United States · On-site
$75k–$131k/yr
In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of v…
Skills: Software Engineering, Systems Integration, API Design, Data Modeling, Agile
Montgomery County, Maryland, United States · On-site
$120k–$145k/yr
Tribal One Construction is looking to hire a full-time Quality Control Manager to join our team. Are you looking to advance your career? Do you have experience as a Quality Control Manager? Would you like to work for a g…
Skills: Quality Control Planning, Contract Specification Analysis, Submittal Management, RFI Processing, Daily Activity Reporting
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
Operate and maintain chemical and biological filtration systems, including HEPA and HEGA systems, to support respiratory protection objectives. Collaborate with Principal Investigators to design technical solutions for multifaceted issues in applied sciences.
Requires a BS degree, an AS degree with 2+ years of experience, or 5+ years of relevant experience in filter testing. Candidates must be US citizens capable of obtaining a DoD Secret Clearance.
The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos currently has an opening for a Field Service Technician at the U.S. Army Combat Capabilities Development Command – Chemical Biological Center (DEVCOM CBC) facility located at Aberdeen Proving Ground, Maryland. This is an exciting opportunity to use your experience helping the DEVCOM CBC mission. In this mission we support DEVCOM CBC in basic and applied research, development, testing, and evaluation efforts to support the U.S. Warfighter and ensure our Warfighters maintain battlefield dominance during a chemical and/or biological event.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
Based on 3054 listings with disclosed salaries, most security & safety jobs in Maryland pay between $85k–$216k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 4,830 open security & safety positions in Maryland listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Northrop Grumman, Peraton, Leidos, Northrop Grumman Mission Systems, Inc., CACI International Inc, among others. Browse the listings above to see every active employer.
Yes — 567 of the 4830 open security & safety positions offer remote or hybrid work (124 remote, 443 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.
