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Sr. Cybersecurity Systems Engineer
LEIDOS, INC.
Linthicum Heights, MD
…Initial Capabilities Documents, Requirements Specifications, security requirements and security testing documents. Provide technical support for the development, engineering, interfacing,…
Added just now
Drafting and System Configuration Lead
LEIDOS, INC.
Lynnwood, WA
…drawings using drawings templates under the guidance of a senior engineer. The successful candidate will have experience in computer aided design (CAD) software, such as Solid Works or…
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Systems Engineer – Standards / Technical Specifications
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Bethesda, MD
Leidos has a new and exciting opportunity for a Systems Engineer – Standards / Technical Specifications in our Intel Sector Analysis Solutions Business Area (ASBA). Our talented team is at…
Added 1 min ago
Senior Software Engineer - GA
PrismHR
Duluth, GA
We are seeking a skilled and motivated Software Engineer with 12+ years of experience to design, build, test, and maintain core PrismHR software applications that power our customer-facing…
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Sr. PCB Design Engineer
Echodyne Corp
Kirkland, WA
…designed for autonomous vehicles, uncrewed aircraft & drones, and security of borders, critical infrastructure, and smart cities. The company combines the patented technology of…
Added 2 mins ago
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Software Development Engineer
Kforce
Irving, TX
- $65 to $69 USD / hour
Kforce has a client that is seeking a Software Development Engineer in Irving, TX.
Added 2 mins ago
Sr. Quality Engineer (Mechanical/Piping)
Bechtel Corporation
Cheyenne, WY
…lasting positive impact. We serve the Infrastructure; Nuclear, Security & Environmental; Energy; Mining & Metals, and the Manufacturing and Technology markets. Our services span from…
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Contract Systems Architect - AI, AWS & Consumer Platforms
MarcoPolo Learning
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A strong track record as a Systems Architect, Staff/Principal Engineer, or technical leader building and operating production software.
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Network Automation Engineer 3 – Configuration Compliance
U.S. Bank National Association
Hopkins, MN
We are seeking an experienced Network Automation Engineer to develop and deliver automation solutions that improve the efficiency, reliability, security, and scalability of Network…
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Sr Software Engineer (Full-stack, Generative AI)
U.S. Bank National Association
Hopkins, MN · Charlotte, NC · Englewood, CO
This position will be responsible for the analysis, design, testing, development and maintenance of best in class software experiences. The candidate is a self-motivated individual who can…
Added 3 mins ago
Optical Systems Validation Engineer
ON, CA
…have the opportunity to work in the lab to further grow your software and hardware skills, work with the industry’s latest lab equipment and software tools, in addition to working on…
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Senior Infrastructure Automation Engineer
TISTA Science and Technology Corporation
Hybrid Rockville, MD
…improve the IE&O Automation Center of Excellence. The team will engineer reusable automation for on-premises infrastructure using Ansible, OpenTofu (Tofu), Terraform, Red Hat OpenShift, and…
Added 5 mins ago
Full Stack Deployment Engineer
GeoYeti
Chantilly, VA
…our growing team in Chantilly, VA, as a Full Stack Deployment Engineer supporting the Intelligence Community…
Added 5 mins ago
Chief Systems Engineer, Architect Lead
DMI
Lemont, IL
DMI, LLC is seeking a Chief Systems Engineer, Architect Lead to join us. The Chief Systems Engineer, Architect Lead is the senior technical advisor to customer leadership for systems…
Added 5 mins ago
Customer Success Engineer, Scaled
Cribl
Remote, United States
Deep Technical Acumen: Strong understanding of the data observability and security space, including technologies like SIEM, APM, logging, and metrics. You should be comfortable with…
Added 5 mins ago
Staff Software Development Engineer – iOS
CVS Health
Remote, United States
…Currently, we are seeking a highly skilled and innovative Staff Software Development Engineer – iOS to join our growing digital engineering organization. This Staff Engineering role offers…
Added 5 mins ago
Software Engineer (Secret) (4611)
SMX
Washington, DC
SMX is seeking Software Engineers (Junior/Mid/Senior/SME) supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications, and services in support of…
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Senior Enterprise Engineer - Salesforce Platform (EAA - STP)
Coinbase
Washington, DC
…account management, and billing workflows. As a Senior Enterprise Engineer on this team, you'll design and deliver scalable, secure CRM and billing solutions while integrating Salesforce…
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Cloud Systems Engineer (Secret) (4496)
SMX
Washington, DC
…Will help onboard new cloud accounts and applications, conduct security patching, build code pipelines, and support deployment activities, primarily with AWS, but familiarity with…
Added 5 mins ago
Application Engineer
CGI Technologies and Solutions, Inc.
Washington, DC
Are you looking to expand your software development and technical architecture skills while gaining hands‑on experience with emerging digital technologies, including cloud services? CGI…
Added 5 mins ago
AWS Cloud Engineer
CGI Technologies and Solutions, Inc.
Washington, DC
CGI Federal is seeking an experienced AWS Cloud Engineer to join our AWS Infrastructure Engineering team supporting financial management systems and other mission‑critical services…
Added 5 mins ago
Senior Software Engineer, Stablecoins
Coinbase
Washington, DC
As a Senior Software Engineer on the Stablecoin team within the Developer group, you'll help build and scale Coinbase Custom Stablecoins (CCS), the platform that lets partners launch their…
Added 5 mins ago
Field Implementation Technician / Engineer (RFID Systems) - U.S. Citizenship Required
CGI Technologies and Solutions, Inc.
Washington, DC
…the system to life. As a Field Implementation Technician / Engineer (RFID Systems), you’ll set up the technology on site - configuring hardware, connecting it to network and power…
Added 5 mins ago
Software Engineer, CDP - Stablecoin
Coinbase
Washington, DC
…issuance, growth, and ecosystem expansion at Coinbase. As a Software Engineer, you'll help deliver a suite of international stablecoins by evaluating and integrating external partner APIs,…
Added 5 mins ago
AT
Site Reliability Engineer II
Akamai Technologies, Inc.
Washington, DC
- $95,000 to $171,000 USD / year
Are you passionate about software-defined networking, secure connectivity, and making large-scale cloud infrastructure safe to change?

MANTECH

Senior Cyber Security Engineer

Chantilly, VA, United States

The projected compensation range for this position is $114,600.00-$190,200.00.

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Job details

Pay: The projected compensation range for this position is $114,600.00-$190,200.00.
Posting language: English

Original job description

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now - unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA.

The Senior Cyber Security Engineer will leverage their strong technical background, PKI expertise, and identity management knowledge to support mission-critical cyber security solution delivery, testing, and system deployment across secure classified enterprise networks.

Responsibilities include but are not limited to:

Maintaining operations of identity and access management services including directory services, user access controls, identity lifecycle workflows, Public Key Infrastructure (PKI), and privileged access management.
Engineering, deploying, and maintaining Public Key Infrastructure (PKI) systems, digital certificates, cryptographic protocols, and multi-factor authentication (MFA) solutions.
Maintaining critical infrastructure across Linux and Windows server environments in virtualized, on-premises, and cloud architectures.
Performing routine and scheduled Linux and Windows operating system upgrades, security patches, baseline configurations, and system hardening.
Managing Continuous Monitoring (CONMON) activities, vulnerability mitigations, and compliance reporting to maintain enterprise Authority to Operate (ATO).
Providing structured status updates, technical documentation, and cross-functional coordination within an Agile and collaborative operational framework.

Minimum Qualifications:

Bachelor's degree or 4+ years of additional experience in lieu of a degree
5+ years of professional experience
Demonstrated hands-on experience supporting and maintaining Public Key Infrastructure (PKI), digital certificate lifecycle management, and authentication/authorization protocols.
Hands-on system administration experience working across enterprise Linux and Windows operating systems in classified or unclassified environments.
Working knowledge of directory services, LDAP/Active Directory administration, user account management, and database structures.
Demonstrated ability to develop and implement automation scripts or workflow tracking solutions to optimize operational processes and system maintenance.
Must have or be willing to obtain an IAT Level II certification within 3 months of hire.

Preferred Qualifications:

Familiarity with configuration of Information Security Corp. (ISC) PKI products (CertAgent and CCMS)
Direct experience implementing, maintaining, and troubleshooting enterprise PKI management tools and digital certificate services.
Familiarity with configuration management, automation playbooks, or scripting platforms such as Ansible or PowerShell.
Demonstrated experience collaborating within Agile, DevOps, or cross-functional technical teams.
Prior military or Department of Defense operational background supporting mission-critical IT infrastructure, network security, and compliance workflows.

Clearance Requirements:

An active TS/SCI with Polygraph is required.

Physical Requirements:

Must be able to remain in a stationary position 50% of the time.
Needs to occasionally move about inside the office to access file cabinets, office machinery, and technical equipment.
Frequently communicates with co-workers, management, and customers, which may involve delivering technical briefings and operational updates. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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