27 Results for

Online Security Jobs in Linthicum Heights, MD

Jobs

Washington, DC15 days ago

By joining Connsci, you'll become part of a dedicated team that is committed to delivering strategic, impactful solutions tailored to our clients' unique needs, enabling them to achieve their goals with confidence and efficiency. This individual will provide senior‑level administration, solution development, and governance support for SharePoint Online and the Power Platform within a Microsoft 365 GCC High shared tenant environment.

Springfield, Virginia22 days ago

This role will partner closely with Environmental, Health, Safety & Security (EHSS), Operations, IT, and cross-functional teams to enhance collaboration, organization, and governance across multiple SharePoint sites. Overview : Our client, a large and well-established utility company in the Washington, DC area, is seeking a SharePoint Specialist to support a critical initiative focused on modernizing and optimizing their SharePoint Online environment.

McLean, VA30+ days ago

$70–$75 Per Hour
Contractor

Working knowledge of networking, (routing, DNS, common ports, protocols, and firewalls) Needs to be organized and have the capability to multitask by working multiple problems, tasks and still seeing tasks through to closure working with all type of endpoint technologies. Familiar with industry security regulations and frameworks (MITRE Attack Framework, NIST, CIS CSC, etc.) General understanding of key IT components – Secure LDAP, Networking, firewall, load balancing, Federated Identity.

Alexandria, VA21 days ago

Remote

Demonstrated expert-level expertise in a particular area of Information Technology (e.g., Information Systems Architecture, Telecommunications Systems Design, Architecture, Implementation, Information Systems Integration, Software Development Methodologies, Security Engineering, Communications and Network Systems Management), or a specific functional area (e.g., finance, logistics, and operations research).  . Mission: As a DoD Information Systems Lifecycle Software Systems Security SME supporting this government program, your mission focuses on you serving as a technical expert on executive-level project teams providing technical direction, interpretation and alternatives.

Falls Church, VA20 days ago

Currently enrolled in a college or university (major/ field of study: Emergency Management, Homeland Security, Public Administration or close related field)with strong interest in emergency management, security, public safety, crisis response, or community resilience. Falls Church is an independent city just six miles from Washington, D.C. With a population of about 16,000 and a strong “urban village” feel, we’re known for excellent customer service, a nationally ranked school system, environmental leadership, and an active, engaged community.

Washington, DC30+ days ago

Full-time

Ancillary benefits including Basic Life and Accidental Death and Dismemberment (AD&D) Insurance, Voluntary Life and AD&D Insurance, Short-Term Disability Insurance, Long-Term Disability Insurance, Voluntary Accident Insurance, Voluntary Critical Illness Insurance, and Voluntary Hospital Indemnity Insurance. Founded over ten years ago by a Delta Force Sergeant Major and an Army Special Forces Colonel, we are a values-based organization focusing on a camaraderie, service, and excellence culture.

New!

Sparrow's Point, Maryland4 days ago

Position Summary: As a Security Officer, your duties encompass conducting unarmed patrols both indoors and outdoors, managing access points, supervising CCTV and alarm systems, preparing reports, discouraging criminal behavior, and fulfilling other responsibilities as outlined in directives. While performing the duties of this job, the employee must be able to sit, stand, and walk for variable amounts of time throughout an assigned shift; use hands to finger, handle or feel objects, tools or controls; reach with hands and arms; climb stairs; occasionally stoop, kneel, or crouch.

Arlington, VA30+ days ago

Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers.

Owings Mills, MD27 days ago

Full-time

As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. This role is ideal for a security engineer who combines strong technical depth with sound judgment, operational discipline, and the ability to translate business and regulatory requirements into effective, scalable controls.

Washington, Washington, DC30+ days ago

$140,000–$180,000 Per Year

Preferred: Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information Security Professional (GISP), or the CompTIA Advanced Security Practitioner (CASP), Certified Secure Software Lifecycle (CSSLP), CISSP Special Focus - Information System Security Engineering Professional (ISSEP), CISSP Special Focus - Information System Security Architecture Professional (ISSAP), and/or other certifications exemplifying skill sets such as those described in DoD Instruction 8570.1 Services to support Information System Engineering performed by the Information System Security Engineer (ISSE) includes the following activities: Lead, mentor, and supervise a team of security professionals responsible for the end-to-end implementation of the RMF lifecycle for IT systems.

Washington, Washington, DC30+ days ago

$120,000–$155,000 Per Year

Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.

Washington, DC13 days ago

Responsible and accountable for leading and executing a security and risk management program as well as enhancing a robust security approach to identify risks, develop innovative and effective risk mitigation strategies, and play an important leadership role in crisis management; would typically work closely and partner with the Director of Facilities Operations in fulfillment of these responsibilities and create collaborative relationships with program and business unit leaders. Establish an understanding of physical security and crisis-related issues at all levels of the Institution and provide guidance and training to all Brookings departments and programs to identify and mitigate relevant risks; would typically work closely and partner with the Director of Facilities Operations in fulfillment of these responsibilities.

Washington, DC30+ days ago

Ocean Bay, a subsidiary of Three Saints Bay, LLC, and a Federal Government Contractor industry leader, is seeking a Lead Security Support Specialist in Washington, D.C. Position Requirements: Apply online at:https://phg.tbe.taleo.net/phg01/ats/careers/v2/viewRequisition?org=GATEWAYVENT&cws=46&rid=5412.

Washington, DC30+ days ago

The ISSO will provide comprehensive security support for FBI IT systems throughout their lifecycle, ensuring compliance with SAA requirements and maintaining system Authorization to Operate (ATO).Key Responsibilities:Prepare, review, and maintain SAA documentation, including risk assessments and ATO packages. Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.

Belcamp, MD30+ days ago

1) Serve as control point for all security documents (2) Provide ACR/Visitor control support to designated facilities (3) Monitor and evaluate C5ISR HQ and subordinate directorates for OPSEC, INFOSEC, and overall security posture (4) Support functions pertaining to physical security involving restricted areas. Semper Valens Solutions, Inc. is a Service Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD community.

Belcamp, MD30+ days ago

Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community. At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success.

New!

Washington, DC2 days ago

Additional requirement to hold at least one Security certification from AWS, Azure, or GCP: o AWS Certified Security – Specialtyo (ISC)2 Certified Cloud Security Professional (CCSP)o AWS Certified Solutions Architect – Associateo AZ-500: Microsoft Certified: Azure Security Engineer Associateo Google - Professional Cloud Security Engineer4.3 CLIN StructureSCOR 43 will be organized into a series of Contract Line-ItemAbout Semper Valens Solutions: The ISSO will povide comprehensive security support for FBI IT systems throughout their lifecycle, ensuring compliance with SAA requirements and maintaining system Authorization to Operate (ATO).Key Responsibilities:Prepare, review, and maintain SAA documentation, including risk assessments and ATO packages.

New!

Washington, DC2 days ago

New!

Washington, DC2 days ago

The ISSO will serve as Task Lead and provide comprehensive security support for FBI IT systems throughout their lifecycle, ensuring compliance with SAA requirements and maintaining system Authorization to Operate (ATO).Key Responsibilities:Prepare, review, and maintain SAA documentation, including risk assessments and ATO packages. Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.

Washington, DC30+ days ago

$145,000–$190,000

This includes originating and shaping new opportunities, cultivating senior-level relationships across the homeland security and violence prevention ecosystem, representing Moonshot in public and professional forums, and converting practitioner credibility into awarded work. They establish and enforce a high bar for excellence - ensuring that Moonshot’s programs deliver measurable impact, meet contractual and financial commitments, operate with rigor and discipline, and consistently position the organization for renewal and sustained growth.

Not available, DC12 days ago

Full-time
Employee

Our unique combination of renowned frontline experience responding to some of the most complex breaches, nation-state grade threat intelligence, machine intelligence, and the industry's best security validation ensures that Mandiant knows more about today's advanced threats than anyone. Preferred qualifications: Experience evaluating host and network forensic reports of electronic media, packet capture, log data analysis, malware triage and network devices in support of information security operations.

Bethesda, MD30+ days ago

Officers must be warm and approachable while staying vigilant—greeting and acknowledging visitors, customers, top clients, and executives, maintaining eye contact, and staying aware of all entrances and surroundings. As a Security Officer – Tactical, physical ability is essential as you will be moving around your entire shift, patrolling environments such as retail stores, airports, detention centers, etc.

Bethesda, MD24 days ago

New!

Mclean, VA4 days ago

Annapolis Junction, MD30+ days ago

Full-time

Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required and (10 - 14) years experience as an ISSE / ISSO on programs and contracts of similar scope, type, and complexity within the Federal Government is required. If you are looking to join a company that provides amazing benefits, a healthy work-life balance, competitive salaries, and talented subject matter experts, consider joining our team!

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Online Security Jobs in Linthicum Heights, MD

Jobs

Sr. SharePoint Online Administrator (Clearance Required)Connsci

SharePoint Online SpecialistThe Squires Group

Security Engineer SpecialistPyramid, Inc

DoD Information Systems Lifecycle Software Systems Security SME (AE26041144)Advantage Engineering & IT Solutions Inc

Emergency Management & Security InternThe City of Falls Church Virginia

Residential Security AgentGlobal Guardian

DMAC - Commercial Security Officer (Unarmed)Tarian

Senior Security EngineerCoStar Realty Information, Inc.

Senior Data Security EngineerT. Rowe Price

Information System Security Engineer (ISSE) - SeniorTekSynap

Security EngineerTekSynap

Director of Safety and Security (Job ID: 2026-3848)The Brookings Institution

Lead Security Support Specialist (5412)Three Saints Bay

Information Systems Security Officer (ISSO)Semper Valens Solutions

Physical Security SpecialistSemper Valens Solutions

Information Security Engineer, SeniorSemper Valens Solutions

Information Systems Security Officer (ISSO) Sr-CloudSemper Valens Solutions

Information Systems Security Engineer, SrSemper Valens Solutions

Information Systems Security Officer (ISSO) Sr Task LeadSemper Valens Solutions

Information Systems Security Engineer-SME(CLOUD)Semper Valens Solutions

Information Systems Security Manager (ISSM)Semper Valens Solutions

Director, US Online Violence Prevention & Safety PracticeMoonshot

Senior Security Consultant, Intelligence ServicesGoogle

Maryland Armed Security OfficerWhelan Security

Armed Security Officer-Prior Police/MilitaryGardaworld

Armed Security Officer- FlexGardaworld

Information Systems Security EngineerPeterson Technologies

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