Security & Safety Jobs in Columbia, MD (Now Hiring) — 481 open

Asset Manager – TS/SCI w/Poly

Columbia, Maryland, United States · On-site

$100k–$150k/yr

Senior$321M raised

Purpose and Impact: Amentum is seeking a highly organized and detail-oriented Asset Manager to oversee the daily and long-term management of accountable and selected non-accountable IT hardware. This role is responsible …

Skills: Asset management, Inventory management, Hardware tracking, Lifecycle tracking, Data entry

Linux Systems Administrator

Columbia, Maryland, United States · On-site

$75k–$158k/yr

Senior$1.5B raised

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type …

Skills: Linux administration, System troubleshooting, Command-line administration, Application management, Data flow management

System Engineer 3

Columbia, Maryland, United States · On-site

$55/hr–$137/hr

Senior

At Wyetech, you’ll be at the center of an award-winning corporate culture, breaking technological barriers and solving real-world problems for our federal government customers. We are committed to hiring the best of the …

Skills: Systems Engineering, ISO/IEC 15288, Requirements Analysis, Architectural Design, System Integration

Senior FIPS Security Engineer

Columbia, Maryland, United States · On-site

$108k–$195k/yr

Senior

The Cryptographic Security Testing (CST) Lab within Accredited Testing and Evaluation (AT&E) at Leidos currently has an opening for a Senior FIPS Security Engineer to work in our Columbia, MD office. This is an exciting …

Skills: FIPS 140-3, Cryptographic Security Testing, IT Security, Project Management, Technical Leadership

Non CDL Driver

Columbia, Maryland, United States · On-site

$47k–$59k/yr

Entry level$8.3B raised

At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your ca…

Skills: Driving, Customer service, Route transportation, Logistics, Records management

Linux Systems Administrator

Columbia, Maryland, United States · On-site

$75k–$158k/yr

Senior$1.5B raised

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type …

Skills: Linux administration, System administration, Command-line interface, Application management, Data flow management

Senior Systems Engineer

Columbia, Maryland, United States · On-site

$154k–$278k/yr

Senior+

Leidos has a new and exciting opportunity for a Senior Systems Engineer in our Intelligence Sectors, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network…

Skills: Systems Engineering, Requirements Derivation, Technical Leadership, Communication Skills, Architecture Diagrams

Lead DevSecOps Engineer

Columbia, Maryland, United States · Hybrid

$135k–$186k/yr

Senior+

Location: Columbia, MD Type: Hybrid Travel: 10% About Us: Sealing Technologies, a Parsons company, innovates and delivers high-performance deployable anywhere technologies that push what's possible at the edge, enabling …

Skills: DevSecOps, CI/CD pipeline, Security scanning, SAST, DAST

Common Criteria Product Tester

Columbia, Maryland, United States · Hybrid

$87k–$157k/yr

Mid level

Leidos is searching for a highly motivated product tester to support Common Criteria evaluation efforts with Leidos’ Accredited Testing & Evaluation (AT&E) Laboratory. The ideal candidate is an independent performer who …

Skills: Common Criteria, Security Testing, Network Traffic Analysis, Wireshark, TShark

NCU Instructor - REPORTING (2025-0104)

Columbia, Maryland, United States · On-site

$120k–$170k/yr

Mid level

Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, wh…

Skills: Instructional design, Analytical tradecraft, Intelligence workflows, Communication, Facilitation

Warehouse Specialist

Columbia, Maryland, United States · On-site

$50k–$75k/yr

Mid level

Title: Warehouse Specialist Job Posting Description Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intellig…

Skills: Logistics, Materials handling, Forklift operation, Pallet jack operation, Inventory management

Senior Software Engineer

Columbia, Maryland, United States · Hybrid

$135k–$186k/yr

Senior+

Location: Columbia, MD Type: Hybrid Travel: 10% About Us: Sealing Technologies, a Parsons company, innovates and delivers high-performance deployable anywhere technologies that push what's possible at the edge, enabling …

Skills: Python, React, FastAPI, Pydantic, SQLAlchemy

Senior Ansible Engineer

Columbia, Maryland, United States · Hybrid

$127k–$157k/yr

Senior

Location: Columbia, MD Type: Hybrid Travel: 10% About Us: Sealing Technologies, a Parsons company, innovates and delivers high-performance deployable anywhere technologies that push what's possible at the edge, enabling …

Skills: Ansible, Systems engineering, Automation, Linux, Python

Technical Program Manager (Cyber), Public Sector

Washington, District of Columbia, United States · Hybrid

$199k–$249k/yr

Senior$16B raised

Scale is at the frontier of the AI industry, improving the world’s leading generative AI and large language models through model evaluations, human-powered supervised fine-tuning datasets, world-class reinforcement learn…

Skills: Cybersecurity, Technical program management, Customer success, AI/ML, Generative AI

Director, Content Marketing

Columbia, Maryland, United States · Hybrid

$163k–$218k/yr

Senior+$574M raised

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 …

Skills: Content marketing, Strategic leadership, Cybersecurity, SEO, GEO

Associate Commercial Territory Manager

Columbia, Maryland, United States · Hybrid

$23/hr–$31/hr

Mid level$574M raised

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 …

Skills: Sales, Territory management, Cold calling, Prospecting, Closing

Senior Software Engineer - Java/Microservices

Columbia, Maryland, United States · Hybrid

$138k–$184k/yr

Mid level$574M raised

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 …

Skills: Java, Kotlin, Microservices, Kubernetes, Distributed systems

Senior Director, Global Risk and Compliance

Columbia, Maryland, United States · On-site

$180k–$250k/yr

Senior+$100M raised

Company Description Blend is a premier AI services provider, committed to co-creating meaningful impact for its clients through the power of data science, AI, technology, and people. With a mission to fuel bold visions, …

Skills: Risk management, Compliance, AI governance, Data privacy, Vendor risk management

Security Control Room Officer- Poly Required

Columbia, Maryland, United States · On-site

$45/hr–$50/hr

Entry level

Security Control Room Officer Position Type: Full-Time, Non-exempt Clearance: TS/SCI w/Poly Shift: 12 Hour Panama Schedule Overview Patriot Group International LLC. (PGI), voted #1 Best Place to Work by Virginia Business…

Skills: Security operations, Access control, Video surveillance, Intrusion detection, Incident response

Senior Software Engineer (Engineer Software 3) - 29363

Columbia, Maryland, United States · Hybrid

$111k–$145k/yr

Senior

Requisition Number: 29363 Required Travel: 11 - 25% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $111,494.00 - $145,000.00 Security Clearance: Ability to Obtain Level of Experience: Mid This oppor…

Skills: Java, C++, Software engineering, Algorithm development, Computer networking

Frequently asked questions

How much do Security & Safety jobs in Columbia, MD pay?

Based on 338 listings with disclosed salaries, most security & safety jobs in Columbia, MD pay between $49k–$225k per year. Individual offers vary with seniority, company size, and specialization.

How many Security & Safety jobs are open in Columbia, MD right now?

There are currently 481 open security & safety positions in Columbia, MD listed on Clera. New openings are added daily as companies post roles.

Which companies are hiring for Security & Safety roles in Columbia, MD?

Companies currently hiring include BigBear.ai, Independent Software, Parsons Corporation, AT&T, CACI International Inc, among others. Browse the listings above to see every active employer.

Are there remote or hybrid Security & Safety jobs in Columbia, MD?

Yes — 83 of the 481 open security & safety positions offer remote or hybrid work (10 remote, 73 hybrid).

How do I apply for Security & Safety jobs in Columbia, MD?

Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.